Home / 4,153.28-5,731.43-2,385.23

Finding the Fourth Proportional to 4,153.28, 5,731.43 and 2,385.23

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Solution

The fourth proportional to 4,153.28, 5,731.43 and 2,385.23 is: 3,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.28 : 5,731.43 = 2,385.23 : x
  2. Step 2: Convert to fraction form
    4,153.28/5,731.43 = 2,385.23/x
  3. Step 3: Cross multiply
    4,153.28x = 5,731.43 × 2,385.23
  4. Step 4: Simplify right side
    4,153.28x = 13,670,738.20
  5. Step 5: Solve for x
    x = 13,670,738.20/4,153.28
  6. Step 6: Final answer
    x = 3,291.56

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1.5x scale

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.