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Finding the Fourth Proportional to 2,015.97, 3,023.55 and 555.08

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Solution

The fourth proportional to 2,015.97, 3,023.55 and 555.08 is: 832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.97 : 3,023.55 = 555.08 : x
  2. Step 2: Convert to fraction form
    2,015.97/3,023.55 = 555.08/x
  3. Step 3: Cross multiply
    2,015.97x = 3,023.55 × 555.08
  4. Step 4: Simplify right side
    2,015.97x = 1,678,297.02
  5. Step 5: Solve for x
    x = 1,678,297.02/2,015.97
  6. Step 6: Final answer
    x = 832.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.