Home / 3,124.80-4,310.22-2,461.38

Finding the Fourth Proportional to 3,124.80, 4,310.22 and 2,461.38

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Solution

The fourth proportional to 3,124.80, 4,310.22 and 2,461.38 is: 3,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.80 : 4,310.22 = 2,461.38 : x
  2. Step 2: Convert to fraction form
    3,124.80/4,310.22 = 2,461.38/x
  3. Step 3: Cross multiply
    3,124.80x = 4,310.22 × 2,461.38
  4. Step 4: Simplify right side
    3,124.80x = 10,609,089.30
  5. Step 5: Solve for x
    x = 10,609,089.30/3,124.80
  6. Step 6: Final answer
    x = 3,395.13

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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.