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Finding the Fourth Proportional to 3,750.52, 5,180.31 and 2,810.52

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Solution

The fourth proportional to 3,750.52, 5,180.31 and 2,810.52 is: 3,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.52 : 5,180.31 = 2,810.52 : x
  2. Step 2: Convert to fraction form
    3,750.52/5,180.31 = 2,810.52/x
  3. Step 3: Cross multiply
    3,750.52x = 5,180.31 × 2,810.52
  4. Step 4: Simplify right side
    3,750.52x = 14,559,364.86
  5. Step 5: Solve for x
    x = 14,559,364.86/3,750.52
  6. Step 6: Final answer
    x = 3,881.96

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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.