Home / 2,887.20-4,331.15-1,132.23

Finding the Fourth Proportional to 2,887.20, 4,331.15 and 1,132.23

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Solution

The fourth proportional to 2,887.20, 4,331.15 and 1,132.23 is: 1,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.20 : 4,331.15 = 1,132.23 : x
  2. Step 2: Convert to fraction form
    2,887.20/4,331.15 = 1,132.23/x
  3. Step 3: Cross multiply
    2,887.20x = 4,331.15 × 1,132.23
  4. Step 4: Simplify right side
    2,887.20x = 4,903,857.96
  5. Step 5: Solve for x
    x = 4,903,857.96/2,887.20
  6. Step 6: Final answer
    x = 1,698.48

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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.