Home / 3,687.26-5,531.76-1,090.13

Finding the Fourth Proportional to 3,687.26, 5,531.76 and 1,090.13

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Solution

The fourth proportional to 3,687.26, 5,531.76 and 1,090.13 is: 1,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.26 : 5,531.76 = 1,090.13 : x
  2. Step 2: Convert to fraction form
    3,687.26/5,531.76 = 1,090.13/x
  3. Step 3: Cross multiply
    3,687.26x = 5,531.76 × 1,090.13
  4. Step 4: Simplify right side
    3,687.26x = 6,030,309.87
  5. Step 5: Solve for x
    x = 6,030,309.87/3,687.26
  6. Step 6: Final answer
    x = 1,635.45

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1.5x scale

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.