Home / 4,139.80-5,713.07-2,371.74

Finding the Fourth Proportional to 4,139.80, 5,713.07 and 2,371.74

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Solution

The fourth proportional to 4,139.80, 5,713.07 and 2,371.74 is: 3,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.80 : 5,713.07 = 2,371.74 : x
  2. Step 2: Convert to fraction form
    4,139.80/5,713.07 = 2,371.74/x
  3. Step 3: Cross multiply
    4,139.80x = 5,713.07 × 2,371.74
  4. Step 4: Simplify right side
    4,139.80x = 13,549,923.53
  5. Step 5: Solve for x
    x = 13,549,923.53/4,139.80
  6. Step 6: Final answer
    x = 3,273.09

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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.