Home / 1,724.40-2,377.08-1,374.48

Finding the Fourth Proportional to 1,724.40, 2,377.08 and 1,374.48

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Solution

The fourth proportional to 1,724.40, 2,377.08 and 1,374.48 is: 1,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.40 : 2,377.08 = 1,374.48 : x
  2. Step 2: Convert to fraction form
    1,724.40/2,377.08 = 1,374.48/x
  3. Step 3: Cross multiply
    1,724.40x = 2,377.08 × 1,374.48
  4. Step 4: Simplify right side
    1,724.40x = 3,267,248.92
  5. Step 5: Solve for x
    x = 3,267,248.92/1,724.40
  6. Step 6: Final answer
    x = 1,894.72

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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.