Home / 2,752.30-4,124.40-2,339.20

Finding the Fourth Proportional to 2,752.30, 4,124.40 and 2,339.20

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Solution

The fourth proportional to 2,752.30, 4,124.40 and 2,339.20 is: 3,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.30 : 4,124.40 = 2,339.20 : x
  2. Step 2: Convert to fraction form
    2,752.30/4,124.40 = 2,339.20/x
  3. Step 3: Cross multiply
    2,752.30x = 4,124.40 × 2,339.20
  4. Step 4: Simplify right side
    2,752.30x = 9,647,796.48
  5. Step 5: Solve for x
    x = 9,647,796.48/2,752.30
  6. Step 6: Final answer
    x = 3,505.36

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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.