Home / 2,301.68-3,176.30-1,306.91

Finding the Fourth Proportional to 2,301.68, 3,176.30 and 1,306.91

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Solution

The fourth proportional to 2,301.68, 3,176.30 and 1,306.91 is: 1,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.68 : 3,176.30 = 1,306.91 : x
  2. Step 2: Convert to fraction form
    2,301.68/3,176.30 = 1,306.91/x
  3. Step 3: Cross multiply
    2,301.68x = 3,176.30 × 1,306.91
  4. Step 4: Simplify right side
    2,301.68x = 4,151,125.62
  5. Step 5: Solve for x
    x = 4,151,125.62/2,301.68
  6. Step 6: Final answer
    x = 1,803.52

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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.