Home / 2,700.20-4,050.25-752.36

Finding the Fourth Proportional to 2,700.20, 4,050.25 and 752.36

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Solution

The fourth proportional to 2,700.20, 4,050.25 and 752.36 is: 1,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.20 : 4,050.25 = 752.36 : x
  2. Step 2: Convert to fraction form
    2,700.20/4,050.25 = 752.36/x
  3. Step 3: Cross multiply
    2,700.20x = 4,050.25 × 752.36
  4. Step 4: Simplify right side
    2,700.20x = 3,047,223.96
  5. Step 5: Solve for x
    x = 3,047,223.96/2,700.20
  6. Step 6: Final answer
    x = 1,128.52

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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.