Home / 3,175.47-4,761.99-1,875.42

Finding the Fourth Proportional to 3,175.47, 4,761.99 and 1,875.42

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Solution

The fourth proportional to 3,175.47, 4,761.99 and 1,875.42 is: 2,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.47 : 4,761.99 = 1,875.42 : x
  2. Step 2: Convert to fraction form
    3,175.47/4,761.99 = 1,875.42/x
  3. Step 3: Cross multiply
    3,175.47x = 4,761.99 × 1,875.42
  4. Step 4: Simplify right side
    3,175.47x = 8,930,731.29
  5. Step 5: Solve for x
    x = 8,930,731.29/3,175.47
  6. Step 6: Final answer
    x = 2,812.41

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1.5x scale

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.