Home / 2,720.39-3,753.14-1,541.23

Finding the Fourth Proportional to 2,720.39, 3,753.14 and 1,541.23

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Solution

The fourth proportional to 2,720.39, 3,753.14 and 1,541.23 is: 2,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.39 : 3,753.14 = 1,541.23 : x
  2. Step 2: Convert to fraction form
    2,720.39/3,753.14 = 1,541.23/x
  3. Step 3: Cross multiply
    2,720.39x = 3,753.14 × 1,541.23
  4. Step 4: Simplify right side
    2,720.39x = 5,784,434.87
  5. Step 5: Solve for x
    x = 5,784,434.87/2,720.39
  6. Step 6: Final answer
    x = 2,126.33

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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.