Home / 3,722.52-5,137.56-2,543.16

Finding the Fourth Proportional to 3,722.52, 5,137.56 and 2,543.16

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Solution

The fourth proportional to 3,722.52, 5,137.56 and 2,543.16 is: 3,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.52 : 5,137.56 = 2,543.16 : x
  2. Step 2: Convert to fraction form
    3,722.52/5,137.56 = 2,543.16/x
  3. Step 3: Cross multiply
    3,722.52x = 5,137.56 × 2,543.16
  4. Step 4: Simplify right side
    3,722.52x = 13,065,637.09
  5. Step 5: Solve for x
    x = 13,065,637.09/3,722.52
  6. Step 6: Final answer
    x = 3,509.89

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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.