Home / 4,079.20-6,119.84-1,614.72

Finding the Fourth Proportional to 4,079.20, 6,119.84 and 1,614.72

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Solution

The fourth proportional to 4,079.20, 6,119.84 and 1,614.72 is: 2,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.20 : 6,119.84 = 1,614.72 : x
  2. Step 2: Convert to fraction form
    4,079.20/6,119.84 = 1,614.72/x
  3. Step 3: Cross multiply
    4,079.20x = 6,119.84 × 1,614.72
  4. Step 4: Simplify right side
    4,079.20x = 9,881,828.04
  5. Step 5: Solve for x
    x = 9,881,828.04/4,079.20
  6. Step 6: Final answer
    x = 2,422.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.