Home / 3,686.90-5,530.28-1,495.60

Finding the Fourth Proportional to 3,686.90, 5,530.28 and 1,495.60

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Solution

The fourth proportional to 3,686.90, 5,530.28 and 1,495.60 is: 2,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.90 : 5,530.28 = 1,495.60 : x
  2. Step 2: Convert to fraction form
    3,686.90/5,530.28 = 1,495.60/x
  3. Step 3: Cross multiply
    3,686.90x = 5,530.28 × 1,495.60
  4. Step 4: Simplify right side
    3,686.90x = 8,271,086.77
  5. Step 5: Solve for x
    x = 8,271,086.77/3,686.90
  6. Step 6: Final answer
    x = 2,243.37

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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.