Home / 3,153.60-4,731.42-1,510.28

Finding the Fourth Proportional to 3,153.60, 4,731.42 and 1,510.28

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Solution

The fourth proportional to 3,153.60, 4,731.42 and 1,510.28 is: 2,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.60 : 4,731.42 = 1,510.28 : x
  2. Step 2: Convert to fraction form
    3,153.60/4,731.42 = 1,510.28/x
  3. Step 3: Cross multiply
    3,153.60x = 4,731.42 × 1,510.28
  4. Step 4: Simplify right side
    3,153.60x = 7,145,745.34
  5. Step 5: Solve for x
    x = 7,145,745.34/3,153.60
  6. Step 6: Final answer
    x = 2,265.90

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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.