Home / 3,710.29-5,125.20-2,969.55

Finding the Fourth Proportional to 3,710.29, 5,125.20 and 2,969.55

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Solution

The fourth proportional to 3,710.29, 5,125.20 and 2,969.55 is: 4,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.29 : 5,125.20 = 2,969.55 : x
  2. Step 2: Convert to fraction form
    3,710.29/5,125.20 = 2,969.55/x
  3. Step 3: Cross multiply
    3,710.29x = 5,125.20 × 2,969.55
  4. Step 4: Simplify right side
    3,710.29x = 15,219,537.66
  5. Step 5: Solve for x
    x = 15,219,537.66/3,710.29
  6. Step 6: Final answer
    x = 4,101.98

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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.