Home / 1,459.76-2,190.12-966.44

Finding the Fourth Proportional to 1,459.76, 2,190.12 and 966.44

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Solution

The fourth proportional to 1,459.76, 2,190.12 and 966.44 is: 1,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.76 : 2,190.12 = 966.44 : x
  2. Step 2: Convert to fraction form
    1,459.76/2,190.12 = 966.44/x
  3. Step 3: Cross multiply
    1,459.76x = 2,190.12 × 966.44
  4. Step 4: Simplify right side
    1,459.76x = 2,116,619.57
  5. Step 5: Solve for x
    x = 2,116,619.57/1,459.76
  6. Step 6: Final answer
    x = 1,449.98

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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.