Home / 1,631.16-2,251.20-1,532.34

Finding the Fourth Proportional to 1,631.16, 2,251.20 and 1,532.34

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Solution

The fourth proportional to 1,631.16, 2,251.20 and 1,532.34 is: 2,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.16 : 2,251.20 = 1,532.34 : x
  2. Step 2: Convert to fraction form
    1,631.16/2,251.20 = 1,532.34/x
  3. Step 3: Cross multiply
    1,631.16x = 2,251.20 × 1,532.34
  4. Step 4: Simplify right side
    1,631.16x = 3,449,603.81
  5. Step 5: Solve for x
    x = 3,449,603.81/1,631.16
  6. Step 6: Final answer
    x = 2,114.82

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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.