Home / 3,685.68-5,531.76-2,388.60

Finding the Fourth Proportional to 3,685.68, 5,531.76 and 2,388.60

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Solution

The fourth proportional to 3,685.68, 5,531.76 and 2,388.60 is: 3,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.68 : 5,531.76 = 2,388.60 : x
  2. Step 2: Convert to fraction form
    3,685.68/5,531.76 = 2,388.60/x
  3. Step 3: Cross multiply
    3,685.68x = 5,531.76 × 2,388.60
  4. Step 4: Simplify right side
    3,685.68x = 13,213,161.94
  5. Step 5: Solve for x
    x = 13,213,161.94/3,685.68
  6. Step 6: Final answer
    x = 3,585.00

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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.