Home / 3,734.17-5,152.87-2,140.80

Finding the Fourth Proportional to 3,734.17, 5,152.87 and 2,140.80

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Solution

The fourth proportional to 3,734.17, 5,152.87 and 2,140.80 is: 2,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.17 : 5,152.87 = 2,140.80 : x
  2. Step 2: Convert to fraction form
    3,734.17/5,152.87 = 2,140.80/x
  3. Step 3: Cross multiply
    3,734.17x = 5,152.87 × 2,140.80
  4. Step 4: Simplify right side
    3,734.17x = 11,031,264.10
  5. Step 5: Solve for x
    x = 11,031,264.10/3,734.17
  6. Step 6: Final answer
    x = 2,954.14

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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.