Home / 2,649.24-3,656.16-1,470.28

Finding the Fourth Proportional to 2,649.24, 3,656.16 and 1,470.28

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Solution

The fourth proportional to 2,649.24, 3,656.16 and 1,470.28 is: 2,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.24 : 3,656.16 = 1,470.28 : x
  2. Step 2: Convert to fraction form
    2,649.24/3,656.16 = 1,470.28/x
  3. Step 3: Cross multiply
    2,649.24x = 3,656.16 × 1,470.28
  4. Step 4: Simplify right side
    2,649.24x = 5,375,578.92
  5. Step 5: Solve for x
    x = 5,375,578.92/2,649.24
  6. Step 6: Final answer
    x = 2,029.10

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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.