Home / 3,937.36-5,434.02-2,259.04

Finding the Fourth Proportional to 3,937.36, 5,434.02 and 2,259.04

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Solution

The fourth proportional to 3,937.36, 5,434.02 and 2,259.04 is: 3,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.36 : 5,434.02 = 2,259.04 : x
  2. Step 2: Convert to fraction form
    3,937.36/5,434.02 = 2,259.04/x
  3. Step 3: Cross multiply
    3,937.36x = 5,434.02 × 2,259.04
  4. Step 4: Simplify right side
    3,937.36x = 12,275,668.54
  5. Step 5: Solve for x
    x = 12,275,668.54/3,937.36
  6. Step 6: Final answer
    x = 3,117.74

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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.