Home / 3,291.46-4,541.82-1,875.15

Finding the Fourth Proportional to 3,291.46, 4,541.82 and 1,875.15

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Solution

The fourth proportional to 3,291.46, 4,541.82 and 1,875.15 is: 2,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.46 : 4,541.82 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    3,291.46/4,541.82 = 1,875.15/x
  3. Step 3: Cross multiply
    3,291.46x = 4,541.82 × 1,875.15
  4. Step 4: Simplify right side
    3,291.46x = 8,516,593.77
  5. Step 5: Solve for x
    x = 8,516,593.77/3,291.46
  6. Step 6: Final answer
    x = 2,587.48

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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.