Home / 2,434.32-3,651.48-1,339.20

Finding the Fourth Proportional to 2,434.32, 3,651.48 and 1,339.20

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Solution

The fourth proportional to 2,434.32, 3,651.48 and 1,339.20 is: 2,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.32 : 3,651.48 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    2,434.32/3,651.48 = 1,339.20/x
  3. Step 3: Cross multiply
    2,434.32x = 3,651.48 × 1,339.20
  4. Step 4: Simplify right side
    2,434.32x = 4,890,062.02
  5. Step 5: Solve for x
    x = 4,890,062.02/2,434.32
  6. Step 6: Final answer
    x = 2,008.80

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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.