Home / 3,126.52-4,315.10-1,799.94

Finding the Fourth Proportional to 3,126.52, 4,315.10 and 1,799.94

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Solution

The fourth proportional to 3,126.52, 4,315.10 and 1,799.94 is: 2,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.52 : 4,315.10 = 1,799.94 : x
  2. Step 2: Convert to fraction form
    3,126.52/4,315.10 = 1,799.94/x
  3. Step 3: Cross multiply
    3,126.52x = 4,315.10 × 1,799.94
  4. Step 4: Simplify right side
    3,126.52x = 7,766,921.09
  5. Step 5: Solve for x
    x = 7,766,921.09/3,126.52
  6. Step 6: Final answer
    x = 2,484.21

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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.