Home / 3,725.34-5,140.14-2,153.16

Finding the Fourth Proportional to 3,725.34, 5,140.14 and 2,153.16

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Solution

The fourth proportional to 3,725.34, 5,140.14 and 2,153.16 is: 2,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.34 : 5,140.14 = 2,153.16 : x
  2. Step 2: Convert to fraction form
    3,725.34/5,140.14 = 2,153.16/x
  3. Step 3: Cross multiply
    3,725.34x = 5,140.14 × 2,153.16
  4. Step 4: Simplify right side
    3,725.34x = 11,067,543.84
  5. Step 5: Solve for x
    x = 11,067,543.84/3,725.34
  6. Step 6: Final answer
    x = 2,970.88

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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.