Home / 1,228.46-1,694.18-966.02

Finding the Fourth Proportional to 1,228.46, 1,694.18 and 966.02

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Solution

The fourth proportional to 1,228.46, 1,694.18 and 966.02 is: 1,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.46 : 1,694.18 = 966.02 : x
  2. Step 2: Convert to fraction form
    1,228.46/1,694.18 = 966.02/x
  3. Step 3: Cross multiply
    1,228.46x = 1,694.18 × 966.02
  4. Step 4: Simplify right side
    1,228.46x = 1,636,611.76
  5. Step 5: Solve for x
    x = 1,636,611.76/1,228.46
  6. Step 6: Final answer
    x = 1,332.25

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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.