Home / 1,606.40-2,404.92-1,439.66

Finding the Fourth Proportional to 1,606.40, 2,404.92 and 1,439.66

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Solution

The fourth proportional to 1,606.40, 2,404.92 and 1,439.66 is: 2,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.40 : 2,404.92 = 1,439.66 : x
  2. Step 2: Convert to fraction form
    1,606.40/2,404.92 = 1,439.66/x
  3. Step 3: Cross multiply
    1,606.40x = 2,404.92 × 1,439.66
  4. Step 4: Simplify right side
    1,606.40x = 3,462,267.13
  5. Step 5: Solve for x
    x = 3,462,267.13/1,606.40
  6. Step 6: Final answer
    x = 2,155.30

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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.