Home / 3,126.15-4,314.50-1,799.91

Finding the Fourth Proportional to 3,126.15, 4,314.50 and 1,799.91

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Solution

The fourth proportional to 3,126.15, 4,314.50 and 1,799.91 is: 2,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.15 : 4,314.50 = 1,799.91 : x
  2. Step 2: Convert to fraction form
    3,126.15/4,314.50 = 1,799.91/x
  3. Step 3: Cross multiply
    3,126.15x = 4,314.50 × 1,799.91
  4. Step 4: Simplify right side
    3,126.15x = 7,765,702.70
  5. Step 5: Solve for x
    x = 7,765,702.70/3,126.15
  6. Step 6: Final answer
    x = 2,484.11

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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.