Home / 3,291.68-4,542.52-1,875.30

Finding the Fourth Proportional to 3,291.68, 4,542.52 and 1,875.30

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Solution

The fourth proportional to 3,291.68, 4,542.52 and 1,875.30 is: 2,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.68 : 4,542.52 = 1,875.30 : x
  2. Step 2: Convert to fraction form
    3,291.68/4,542.52 = 1,875.30/x
  3. Step 3: Cross multiply
    3,291.68x = 4,542.52 × 1,875.30
  4. Step 4: Simplify right side
    3,291.68x = 8,518,587.76
  5. Step 5: Solve for x
    x = 8,518,587.76/3,291.68
  6. Step 6: Final answer
    x = 2,587.91

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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.