Home / 1,649.18-2,486.25-1,559.88

Finding the Fourth Proportional to 1,649.18, 2,486.25 and 1,559.88

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Solution

The fourth proportional to 1,649.18, 2,486.25 and 1,559.88 is: 2,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.18 : 2,486.25 = 1,559.88 : x
  2. Step 2: Convert to fraction form
    1,649.18/2,486.25 = 1,559.88/x
  3. Step 3: Cross multiply
    1,649.18x = 2,486.25 × 1,559.88
  4. Step 4: Simplify right side
    1,649.18x = 3,878,251.65
  5. Step 5: Solve for x
    x = 3,878,251.65/1,649.18
  6. Step 6: Final answer
    x = 2,351.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.