Home / 4,222.80-5,826.92-2,543.76

Finding the Fourth Proportional to 4,222.80, 5,826.92 and 2,543.76

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Solution

The fourth proportional to 4,222.80, 5,826.92 and 2,543.76 is: 3,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.80 : 5,826.92 = 2,543.76 : x
  2. Step 2: Convert to fraction form
    4,222.80/5,826.92 = 2,543.76/x
  3. Step 3: Cross multiply
    4,222.80x = 5,826.92 × 2,543.76
  4. Step 4: Simplify right side
    4,222.80x = 14,822,286.02
  5. Step 5: Solve for x
    x = 14,822,286.02/4,222.80
  6. Step 6: Final answer
    x = 3,510.06

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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.