Home / 3,868.20-5,826.95-3,531.95

Finding the Fourth Proportional to 3,868.20, 5,826.95 and 3,531.95

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Solution

The fourth proportional to 3,868.20, 5,826.95 and 3,531.95 is: 5,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.20 : 5,826.95 = 3,531.95 : x
  2. Step 2: Convert to fraction form
    3,868.20/5,826.95 = 3,531.95/x
  3. Step 3: Cross multiply
    3,868.20x = 5,826.95 × 3,531.95
  4. Step 4: Simplify right side
    3,868.20x = 20,580,484.35
  5. Step 5: Solve for x
    x = 20,580,484.35/3,868.20
  6. Step 6: Final answer
    x = 5,320.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.