Home / 3,124.02-4,311.19-1,797.65

Finding the Fourth Proportional to 3,124.02, 4,311.19 and 1,797.65

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Solution

The fourth proportional to 3,124.02, 4,311.19 and 1,797.65 is: 2,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.02 : 4,311.19 = 1,797.65 : x
  2. Step 2: Convert to fraction form
    3,124.02/4,311.19 = 1,797.65/x
  3. Step 3: Cross multiply
    3,124.02x = 4,311.19 × 1,797.65
  4. Step 4: Simplify right side
    3,124.02x = 7,750,010.70
  5. Step 5: Solve for x
    x = 7,750,010.70/3,124.02
  6. Step 6: Final answer
    x = 2,480.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.