Home / 3,155.76-4,731.82-1,510.04

Finding the Fourth Proportional to 3,155.76, 4,731.82 and 1,510.04

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Solution

The fourth proportional to 3,155.76, 4,731.82 and 1,510.04 is: 2,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.76 : 4,731.82 = 1,510.04 : x
  2. Step 2: Convert to fraction form
    3,155.76/4,731.82 = 1,510.04/x
  3. Step 3: Cross multiply
    3,155.76x = 4,731.82 × 1,510.04
  4. Step 4: Simplify right side
    3,155.76x = 7,145,245.53
  5. Step 5: Solve for x
    x = 7,145,245.53/3,155.76
  6. Step 6: Final answer
    x = 2,264.19

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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.