Home / 2,347.28-3,520.20-1,114.25

Finding the Fourth Proportional to 2,347.28, 3,520.20 and 1,114.25

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Solution

The fourth proportional to 2,347.28, 3,520.20 and 1,114.25 is: 1,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.28 : 3,520.20 = 1,114.25 : x
  2. Step 2: Convert to fraction form
    2,347.28/3,520.20 = 1,114.25/x
  3. Step 3: Cross multiply
    2,347.28x = 3,520.20 × 1,114.25
  4. Step 4: Simplify right side
    2,347.28x = 3,922,382.85
  5. Step 5: Solve for x
    x = 3,922,382.85/2,347.28
  6. Step 6: Final answer
    x = 1,671.04

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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.