Home / 1,630.06-2,249.50-966.90

Finding the Fourth Proportional to 1,630.06, 2,249.50 and 966.90

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Solution

The fourth proportional to 1,630.06, 2,249.50 and 966.90 is: 1,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.06 : 2,249.50 = 966.90 : x
  2. Step 2: Convert to fraction form
    1,630.06/2,249.50 = 966.90/x
  3. Step 3: Cross multiply
    1,630.06x = 2,249.50 × 966.90
  4. Step 4: Simplify right side
    1,630.06x = 2,175,041.55
  5. Step 5: Solve for x
    x = 2,175,041.55/1,630.06
  6. Step 6: Final answer
    x = 1,334.33

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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.