Home / 3,932.48-5,424.75-2,587.88

Finding the Fourth Proportional to 3,932.48, 5,424.75 and 2,587.88

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Solution

The fourth proportional to 3,932.48, 5,424.75 and 2,587.88 is: 3,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.48 : 5,424.75 = 2,587.88 : x
  2. Step 2: Convert to fraction form
    3,932.48/5,424.75 = 2,587.88/x
  3. Step 3: Cross multiply
    3,932.48x = 5,424.75 × 2,587.88
  4. Step 4: Simplify right side
    3,932.48x = 14,038,602.03
  5. Step 5: Solve for x
    x = 14,038,602.03/3,932.48
  6. Step 6: Final answer
    x = 3,569.91

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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.