Home / 3,079.48-4,620.72-1,434.05

Finding the Fourth Proportional to 3,079.48, 4,620.72 and 1,434.05

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Solution

The fourth proportional to 3,079.48, 4,620.72 and 1,434.05 is: 2,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.48 : 4,620.72 = 1,434.05 : x
  2. Step 2: Convert to fraction form
    3,079.48/4,620.72 = 1,434.05/x
  3. Step 3: Cross multiply
    3,079.48x = 4,620.72 × 1,434.05
  4. Step 4: Simplify right side
    3,079.48x = 6,626,343.52
  5. Step 5: Solve for x
    x = 6,626,343.52/3,079.48
  6. Step 6: Final answer
    x = 2,151.77

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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.