Home / 3,259.11-4,890.72-1,875.15

Finding the Fourth Proportional to 3,259.11, 4,890.72 and 1,875.15

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Solution

The fourth proportional to 3,259.11, 4,890.72 and 1,875.15 is: 2,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.11 : 4,890.72 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    3,259.11/4,890.72 = 1,875.15/x
  3. Step 3: Cross multiply
    3,259.11x = 4,890.72 × 1,875.15
  4. Step 4: Simplify right side
    3,259.11x = 9,170,833.61
  5. Step 5: Solve for x
    x = 9,170,833.61/3,259.11
  6. Step 6: Final answer
    x = 2,813.91

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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.