Home / 3,150.40-4,348.02-1,824.16

Finding the Fourth Proportional to 3,150.40, 4,348.02 and 1,824.16

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Solution

The fourth proportional to 3,150.40, 4,348.02 and 1,824.16 is: 2,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.40 : 4,348.02 = 1,824.16 : x
  2. Step 2: Convert to fraction form
    3,150.40/4,348.02 = 1,824.16/x
  3. Step 3: Cross multiply
    3,150.40x = 4,348.02 × 1,824.16
  4. Step 4: Simplify right side
    3,150.40x = 7,931,484.16
  5. Step 5: Solve for x
    x = 7,931,484.16/3,150.40
  6. Step 6: Final answer
    x = 2,517.61

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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.