Home / 3,423.80-4,723.16-2,950.88

Finding the Fourth Proportional to 3,423.80, 4,723.16 and 2,950.88

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Solution

The fourth proportional to 3,423.80, 4,723.16 and 2,950.88 is: 4,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.80 : 4,723.16 = 2,950.88 : x
  2. Step 2: Convert to fraction form
    3,423.80/4,723.16 = 2,950.88/x
  3. Step 3: Cross multiply
    3,423.80x = 4,723.16 × 2,950.88
  4. Step 4: Simplify right side
    3,423.80x = 13,937,478.38
  5. Step 5: Solve for x
    x = 13,937,478.38/3,423.80
  6. Step 6: Final answer
    x = 4,070.76

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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.