Home / 3,686.88-5,531.52-1,494.40

Finding the Fourth Proportional to 3,686.88, 5,531.52 and 1,494.40

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Solution

The fourth proportional to 3,686.88, 5,531.52 and 1,494.40 is: 2,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.88 : 5,531.52 = 1,494.40 : x
  2. Step 2: Convert to fraction form
    3,686.88/5,531.52 = 1,494.40/x
  3. Step 3: Cross multiply
    3,686.88x = 5,531.52 × 1,494.40
  4. Step 4: Simplify right side
    3,686.88x = 8,266,303.49
  5. Step 5: Solve for x
    x = 8,266,303.49/3,686.88
  6. Step 6: Final answer
    x = 2,242.09

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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.