Home / 3,686.45-5,531.96-1,495.20

Finding the Fourth Proportional to 3,686.45, 5,531.96 and 1,495.20

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Solution

The fourth proportional to 3,686.45, 5,531.96 and 1,495.20 is: 2,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.45 : 5,531.96 = 1,495.20 : x
  2. Step 2: Convert to fraction form
    3,686.45/5,531.96 = 1,495.20/x
  3. Step 3: Cross multiply
    3,686.45x = 5,531.96 × 1,495.20
  4. Step 4: Simplify right side
    3,686.45x = 8,271,386.59
  5. Step 5: Solve for x
    x = 8,271,386.59/3,686.45
  6. Step 6: Final answer
    x = 2,243.73

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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.