Home / 2,470.23-3,408.78-1,350.95

Finding the Fourth Proportional to 2,470.23, 3,408.78 and 1,350.95

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Solution

The fourth proportional to 2,470.23, 3,408.78 and 1,350.95 is: 1,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.23 : 3,408.78 = 1,350.95 : x
  2. Step 2: Convert to fraction form
    2,470.23/3,408.78 = 1,350.95/x
  3. Step 3: Cross multiply
    2,470.23x = 3,408.78 × 1,350.95
  4. Step 4: Simplify right side
    2,470.23x = 4,605,077.67
  5. Step 5: Solve for x
    x = 4,605,077.67/2,470.23
  6. Step 6: Final answer
    x = 1,864.23

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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.