Home / 3,423.61-5,126.13-1,776.70

Finding the Fourth Proportional to 3,423.61, 5,126.13 and 1,776.70

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Solution

The fourth proportional to 3,423.61, 5,126.13 and 1,776.70 is: 2,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.61 : 5,126.13 = 1,776.70 : x
  2. Step 2: Convert to fraction form
    3,423.61/5,126.13 = 1,776.70/x
  3. Step 3: Cross multiply
    3,423.61x = 5,126.13 × 1,776.70
  4. Step 4: Simplify right side
    3,423.61x = 9,107,595.17
  5. Step 5: Solve for x
    x = 9,107,595.17/3,423.61
  6. Step 6: Final answer
    x = 2,660.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.