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Finding the Fourth Proportional to 2,377.71, 3,566.57 and 646.33

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Solution

The fourth proportional to 2,377.71, 3,566.57 and 646.33 is: 969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.71 : 3,566.57 = 646.33 : x
  2. Step 2: Convert to fraction form
    2,377.71/3,566.57 = 646.33/x
  3. Step 3: Cross multiply
    2,377.71x = 3,566.57 × 646.33
  4. Step 4: Simplify right side
    2,377.71x = 2,305,177.96
  5. Step 5: Solve for x
    x = 2,305,177.96/2,377.71
  6. Step 6: Final answer
    x = 969.50

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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.