Home / 1,649.16-2,470.77-1,374.84

Finding the Fourth Proportional to 1,649.16, 2,470.77 and 1,374.84

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Solution

The fourth proportional to 1,649.16, 2,470.77 and 1,374.84 is: 2,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.16 : 2,470.77 = 1,374.84 : x
  2. Step 2: Convert to fraction form
    1,649.16/2,470.77 = 1,374.84/x
  3. Step 3: Cross multiply
    1,649.16x = 2,470.77 × 1,374.84
  4. Step 4: Simplify right side
    1,649.16x = 3,396,913.43
  5. Step 5: Solve for x
    x = 3,396,913.43/1,649.16
  6. Step 6: Final answer
    x = 2,059.78

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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.