Home / 2,470.26-3,408.96-1,407.99

Finding the Fourth Proportional to 2,470.26, 3,408.96 and 1,407.99

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Solution

The fourth proportional to 2,470.26, 3,408.96 and 1,407.99 is: 1,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.26 : 3,408.96 = 1,407.99 : x
  2. Step 2: Convert to fraction form
    2,470.26/3,408.96 = 1,407.99/x
  3. Step 3: Cross multiply
    2,470.26x = 3,408.96 × 1,407.99
  4. Step 4: Simplify right side
    2,470.26x = 4,799,781.59
  5. Step 5: Solve for x
    x = 4,799,781.59/2,470.26
  6. Step 6: Final answer
    x = 1,943.03

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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.