Home / 1,599.21-2,207.28-1,010.55

Finding the Fourth Proportional to 1,599.21, 2,207.28 and 1,010.55

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Solution

The fourth proportional to 1,599.21, 2,207.28 and 1,010.55 is: 1,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.21 : 2,207.28 = 1,010.55 : x
  2. Step 2: Convert to fraction form
    1,599.21/2,207.28 = 1,010.55/x
  3. Step 3: Cross multiply
    1,599.21x = 2,207.28 × 1,010.55
  4. Step 4: Simplify right side
    1,599.21x = 2,230,566.80
  5. Step 5: Solve for x
    x = 2,230,566.80/1,599.21
  6. Step 6: Final answer
    x = 1,394.79

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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.