Home / 3,685.85-5,531.10-1,494.60

Finding the Fourth Proportional to 3,685.85, 5,531.10 and 1,494.60

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Solution

The fourth proportional to 3,685.85, 5,531.10 and 1,494.60 is: 2,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.85 : 5,531.10 = 1,494.60 : x
  2. Step 2: Convert to fraction form
    3,685.85/5,531.10 = 1,494.60/x
  3. Step 3: Cross multiply
    3,685.85x = 5,531.10 × 1,494.60
  4. Step 4: Simplify right side
    3,685.85x = 8,266,782.06
  5. Step 5: Solve for x
    x = 8,266,782.06/3,685.85
  6. Step 6: Final answer
    x = 2,242.84

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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.