Home / 2,752.30-4,130.25-1,520.56

Finding the Fourth Proportional to 2,752.30, 4,130.25 and 1,520.56

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Solution

The fourth proportional to 2,752.30, 4,130.25 and 1,520.56 is: 2,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.30 : 4,130.25 = 1,520.56 : x
  2. Step 2: Convert to fraction form
    2,752.30/4,130.25 = 1,520.56/x
  3. Step 3: Cross multiply
    2,752.30x = 4,130.25 × 1,520.56
  4. Step 4: Simplify right side
    2,752.30x = 6,280,292.94
  5. Step 5: Solve for x
    x = 6,280,292.94/2,752.30
  6. Step 6: Final answer
    x = 2,281.83

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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.