Home / 3,902.65-5,387.51-2,411.44

Finding the Fourth Proportional to 3,902.65, 5,387.51 and 2,411.44

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Solution

The fourth proportional to 3,902.65, 5,387.51 and 2,411.44 is: 3,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.65 : 5,387.51 = 2,411.44 : x
  2. Step 2: Convert to fraction form
    3,902.65/5,387.51 = 2,411.44/x
  3. Step 3: Cross multiply
    3,902.65x = 5,387.51 × 2,411.44
  4. Step 4: Simplify right side
    3,902.65x = 12,991,649.67
  5. Step 5: Solve for x
    x = 12,991,649.67/3,902.65
  6. Step 6: Final answer
    x = 3,328.93

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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.