Home / 2,279.90-3,147.70-1,652.51

Finding the Fourth Proportional to 2,279.90, 3,147.70 and 1,652.51

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Solution

The fourth proportional to 2,279.90, 3,147.70 and 1,652.51 is: 2,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.90 : 3,147.70 = 1,652.51 : x
  2. Step 2: Convert to fraction form
    2,279.90/3,147.70 = 1,652.51/x
  3. Step 3: Cross multiply
    2,279.90x = 3,147.70 × 1,652.51
  4. Step 4: Simplify right side
    2,279.90x = 5,201,605.73
  5. Step 5: Solve for x
    x = 5,201,605.73/2,279.90
  6. Step 6: Final answer
    x = 2,281.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.