Home / 3,153.44-4,350-2,931.04

Finding the Fourth Proportional to 3,153.44, 4,350 and 2,931.04

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Solution

The fourth proportional to 3,153.44, 4,350 and 2,931.04 is: 4,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.44 : 4,350 = 2,931.04 : x
  2. Step 2: Convert to fraction form
    3,153.44/4,350 = 2,931.04/x
  3. Step 3: Cross multiply
    3,153.44x = 4,350 × 2,931.04
  4. Step 4: Simplify right side
    3,153.44x = 12,750,024
  5. Step 5: Solve for x
    x = 12,750,024/3,153.44
  6. Step 6: Final answer
    x = 4,043.21

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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.