Home / 3,725.12-5,140.63-2,023.66

Finding the Fourth Proportional to 3,725.12, 5,140.63 and 2,023.66

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Solution

The fourth proportional to 3,725.12, 5,140.63 and 2,023.66 is: 2,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.12 : 5,140.63 = 2,023.66 : x
  2. Step 2: Convert to fraction form
    3,725.12/5,140.63 = 2,023.66/x
  3. Step 3: Cross multiply
    3,725.12x = 5,140.63 × 2,023.66
  4. Step 4: Simplify right side
    3,725.12x = 10,402,887.31
  5. Step 5: Solve for x
    x = 10,402,887.31/3,725.12
  6. Step 6: Final answer
    x = 2,792.63

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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.