Home / 1,724.31-2,374.35-1,565.96

Finding the Fourth Proportional to 1,724.31, 2,374.35 and 1,565.96

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Solution

The fourth proportional to 1,724.31, 2,374.35 and 1,565.96 is: 2,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.31 : 2,374.35 = 1,565.96 : x
  2. Step 2: Convert to fraction form
    1,724.31/2,374.35 = 1,565.96/x
  3. Step 3: Cross multiply
    1,724.31x = 2,374.35 × 1,565.96
  4. Step 4: Simplify right side
    1,724.31x = 3,718,125.25
  5. Step 5: Solve for x
    x = 3,718,125.25/1,724.31
  6. Step 6: Final answer
    x = 2,156.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.