Home / 1,724.57-2,587.03-554.27

Finding the Fourth Proportional to 1,724.57, 2,587.03 and 554.27

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Solution

The fourth proportional to 1,724.57, 2,587.03 and 554.27 is: 831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.57 : 2,587.03 = 554.27 : x
  2. Step 2: Convert to fraction form
    1,724.57/2,587.03 = 554.27/x
  3. Step 3: Cross multiply
    1,724.57x = 2,587.03 × 554.27
  4. Step 4: Simplify right side
    1,724.57x = 1,433,920.28
  5. Step 5: Solve for x
    x = 1,433,920.28/1,724.57
  6. Step 6: Final answer
    x = 831.46

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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.