Home / 1,614.28-2,421.42-1,036.76

Finding the Fourth Proportional to 1,614.28, 2,421.42 and 1,036.76

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Solution

The fourth proportional to 1,614.28, 2,421.42 and 1,036.76 is: 1,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.28 : 2,421.42 = 1,036.76 : x
  2. Step 2: Convert to fraction form
    1,614.28/2,421.42 = 1,036.76/x
  3. Step 3: Cross multiply
    1,614.28x = 2,421.42 × 1,036.76
  4. Step 4: Simplify right side
    1,614.28x = 2,510,431.40
  5. Step 5: Solve for x
    x = 2,510,431.40/1,614.28
  6. Step 6: Final answer
    x = 1,555.14

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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.