Home / 1,618.14-2,428.45-1,096.91

Finding the Fourth Proportional to 1,618.14, 2,428.45 and 1,096.91

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Solution

The fourth proportional to 1,618.14, 2,428.45 and 1,096.91 is: 1,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.14 : 2,428.45 = 1,096.91 : x
  2. Step 2: Convert to fraction form
    1,618.14/2,428.45 = 1,096.91/x
  3. Step 3: Cross multiply
    1,618.14x = 2,428.45 × 1,096.91
  4. Step 4: Simplify right side
    1,618.14x = 2,663,785.31
  5. Step 5: Solve for x
    x = 2,663,785.31/1,618.14
  6. Step 6: Final answer
    x = 1,646.20

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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.