Home / 3,279.15-4,525.13-1,862.87

Finding the Fourth Proportional to 3,279.15, 4,525.13 and 1,862.87

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Solution

The fourth proportional to 3,279.15, 4,525.13 and 1,862.87 is: 2,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.15 : 4,525.13 = 1,862.87 : x
  2. Step 2: Convert to fraction form
    3,279.15/4,525.13 = 1,862.87/x
  3. Step 3: Cross multiply
    3,279.15x = 4,525.13 × 1,862.87
  4. Step 4: Simplify right side
    3,279.15x = 8,429,710.95
  5. Step 5: Solve for x
    x = 8,429,710.95/3,279.15
  6. Step 6: Final answer
    x = 2,570.70

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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.