Home / 2,147.02-3,220.20-587.14

Finding the Fourth Proportional to 2,147.02, 3,220.20 and 587.14

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Solution

The fourth proportional to 2,147.02, 3,220.20 and 587.14 is: 880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.02 : 3,220.20 = 587.14 : x
  2. Step 2: Convert to fraction form
    2,147.02/3,220.20 = 587.14/x
  3. Step 3: Cross multiply
    2,147.02x = 3,220.20 × 587.14
  4. Step 4: Simplify right side
    2,147.02x = 1,890,708.23
  5. Step 5: Solve for x
    x = 1,890,708.23/2,147.02
  6. Step 6: Final answer
    x = 880.62

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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.