Home / 1,497.45-2,066.23-868.06

Finding the Fourth Proportional to 1,497.45, 2,066.23 and 868.06

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Solution

The fourth proportional to 1,497.45, 2,066.23 and 868.06 is: 1,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.45 : 2,066.23 = 868.06 : x
  2. Step 2: Convert to fraction form
    1,497.45/2,066.23 = 868.06/x
  3. Step 3: Cross multiply
    1,497.45x = 2,066.23 × 868.06
  4. Step 4: Simplify right side
    1,497.45x = 1,793,611.61
  5. Step 5: Solve for x
    x = 1,793,611.61/1,497.45
  6. Step 6: Final answer
    x = 1,197.78

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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.