Home / 2,186.76-3,281.56-1,032.60

Finding the Fourth Proportional to 2,186.76, 3,281.56 and 1,032.60

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Solution

The fourth proportional to 2,186.76, 3,281.56 and 1,032.60 is: 1,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.76 : 3,281.56 = 1,032.60 : x
  2. Step 2: Convert to fraction form
    2,186.76/3,281.56 = 1,032.60/x
  3. Step 3: Cross multiply
    2,186.76x = 3,281.56 × 1,032.60
  4. Step 4: Simplify right side
    2,186.76x = 3,388,538.86
  5. Step 5: Solve for x
    x = 3,388,538.86/2,186.76
  6. Step 6: Final answer
    x = 1,549.57

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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.