Home / 3,713.19-5,124.49-2,119.47

Finding the Fourth Proportional to 3,713.19, 5,124.49 and 2,119.47

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Solution

The fourth proportional to 3,713.19, 5,124.49 and 2,119.47 is: 2,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.19 : 5,124.49 = 2,119.47 : x
  2. Step 2: Convert to fraction form
    3,713.19/5,124.49 = 2,119.47/x
  3. Step 3: Cross multiply
    3,713.19x = 5,124.49 × 2,119.47
  4. Step 4: Simplify right side
    3,713.19x = 10,861,202.82
  5. Step 5: Solve for x
    x = 10,861,202.82/3,713.19
  6. Step 6: Final answer
    x = 2,925.03

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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.