Home / 2,649.56-3,656.45-1,470.68

Finding the Fourth Proportional to 2,649.56, 3,656.45 and 1,470.68

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Solution

The fourth proportional to 2,649.56, 3,656.45 and 1,470.68 is: 2,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.56 : 3,656.45 = 1,470.68 : x
  2. Step 2: Convert to fraction form
    2,649.56/3,656.45 = 1,470.68/x
  3. Step 3: Cross multiply
    2,649.56x = 3,656.45 × 1,470.68
  4. Step 4: Simplify right side
    2,649.56x = 5,377,453.28
  5. Step 5: Solve for x
    x = 5,377,453.28/2,649.56
  6. Step 6: Final answer
    x = 2,029.57

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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.