Home / 2,621.70-3,924.45-2,475.90

Finding the Fourth Proportional to 2,621.70, 3,924.45 and 2,475.90

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Solution

The fourth proportional to 2,621.70, 3,924.45 and 2,475.90 is: 3,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.70 : 3,924.45 = 2,475.90 : x
  2. Step 2: Convert to fraction form
    2,621.70/3,924.45 = 2,475.90/x
  3. Step 3: Cross multiply
    2,621.70x = 3,924.45 × 2,475.90
  4. Step 4: Simplify right side
    2,621.70x = 9,716,545.76
  5. Step 5: Solve for x
    x = 9,716,545.76/2,621.70
  6. Step 6: Final answer
    x = 3,706.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.