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Finding the Fourth Proportional to 2,230.56, 3,345.39 and 587.07

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Solution

The fourth proportional to 2,230.56, 3,345.39 and 587.07 is: 880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.56 : 3,345.39 = 587.07 : x
  2. Step 2: Convert to fraction form
    2,230.56/3,345.39 = 587.07/x
  3. Step 3: Cross multiply
    2,230.56x = 3,345.39 × 587.07
  4. Step 4: Simplify right side
    2,230.56x = 1,963,978.11
  5. Step 5: Solve for x
    x = 1,963,978.11/2,230.56
  6. Step 6: Final answer
    x = 880.49

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Double scale
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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.