Home / 2,301.55-3,176.11-1,306.87

Finding the Fourth Proportional to 2,301.55, 3,176.11 and 1,306.87

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Solution

The fourth proportional to 2,301.55, 3,176.11 and 1,306.87 is: 1,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.55 : 3,176.11 = 1,306.87 : x
  2. Step 2: Convert to fraction form
    2,301.55/3,176.11 = 1,306.87/x
  3. Step 3: Cross multiply
    2,301.55x = 3,176.11 × 1,306.87
  4. Step 4: Simplify right side
    2,301.55x = 4,150,756.57
  5. Step 5: Solve for x
    x = 4,150,756.57/2,301.55
  6. Step 6: Final answer
    x = 1,803.46

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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.