Home / 3,686.48-5,531.04-1,837.43

Finding the Fourth Proportional to 3,686.48, 5,531.04 and 1,837.43

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Solution

The fourth proportional to 3,686.48, 5,531.04 and 1,837.43 is: 2,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.48 : 5,531.04 = 1,837.43 : x
  2. Step 2: Convert to fraction form
    3,686.48/5,531.04 = 1,837.43/x
  3. Step 3: Cross multiply
    3,686.48x = 5,531.04 × 1,837.43
  4. Step 4: Simplify right side
    3,686.48x = 10,162,871.17
  5. Step 5: Solve for x
    x = 10,162,871.17/3,686.48
  6. Step 6: Final answer
    x = 2,756.80

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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.