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Finding the Fourth Proportional to 2,199.01, 3,298.52 and 555.68

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Solution

The fourth proportional to 2,199.01, 3,298.52 and 555.68 is: 833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.01 : 3,298.52 = 555.68 : x
  2. Step 2: Convert to fraction form
    2,199.01/3,298.52 = 555.68/x
  3. Step 3: Cross multiply
    2,199.01x = 3,298.52 × 555.68
  4. Step 4: Simplify right side
    2,199.01x = 1,832,927.06
  5. Step 5: Solve for x
    x = 1,832,927.06/2,199.01
  6. Step 6: Final answer
    x = 833.52

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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.