Home / 1,631.57-2,252.07-1,101.22

Finding the Fourth Proportional to 1,631.57, 2,252.07 and 1,101.22

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Solution

The fourth proportional to 1,631.57, 2,252.07 and 1,101.22 is: 1,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.57 : 2,252.07 = 1,101.22 : x
  2. Step 2: Convert to fraction form
    1,631.57/2,252.07 = 1,101.22/x
  3. Step 3: Cross multiply
    1,631.57x = 2,252.07 × 1,101.22
  4. Step 4: Simplify right side
    1,631.57x = 2,480,018.90
  5. Step 5: Solve for x
    x = 2,480,018.90/1,631.57
  6. Step 6: Final answer
    x = 1,520.02

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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.