Home / 3,283.49-4,921.12-2,587.39

Finding the Fourth Proportional to 3,283.49, 4,921.12 and 2,587.39

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Solution

The fourth proportional to 3,283.49, 4,921.12 and 2,587.39 is: 3,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.49 : 4,921.12 = 2,587.39 : x
  2. Step 2: Convert to fraction form
    3,283.49/4,921.12 = 2,587.39/x
  3. Step 3: Cross multiply
    3,283.49x = 4,921.12 × 2,587.39
  4. Step 4: Simplify right side
    3,283.49x = 12,732,875.29
  5. Step 5: Solve for x
    x = 12,732,875.29/3,283.49
  6. Step 6: Final answer
    x = 3,877.85

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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.