Home / 1,671.03-2,306.07-1,229.78

Finding the Fourth Proportional to 1,671.03, 2,306.07 and 1,229.78

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Solution

The fourth proportional to 1,671.03, 2,306.07 and 1,229.78 is: 1,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.03 : 2,306.07 = 1,229.78 : x
  2. Step 2: Convert to fraction form
    1,671.03/2,306.07 = 1,229.78/x
  3. Step 3: Cross multiply
    1,671.03x = 2,306.07 × 1,229.78
  4. Step 4: Simplify right side
    1,671.03x = 2,835,964.53
  5. Step 5: Solve for x
    x = 2,835,964.53/1,671.03
  6. Step 6: Final answer
    x = 1,697.14

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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.