Home / 1,718.14-2,572.85-1,439.77

Finding the Fourth Proportional to 1,718.14, 2,572.85 and 1,439.77

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Solution

The fourth proportional to 1,718.14, 2,572.85 and 1,439.77 is: 2,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.14 : 2,572.85 = 1,439.77 : x
  2. Step 2: Convert to fraction form
    1,718.14/2,572.85 = 1,439.77/x
  3. Step 3: Cross multiply
    1,718.14x = 2,572.85 × 1,439.77
  4. Step 4: Simplify right side
    1,718.14x = 3,704,304.59
  5. Step 5: Solve for x
    x = 3,704,304.59/1,718.14
  6. Step 6: Final answer
    x = 2,155.99

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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.