Home / 2,470.74-3,409.41-1,408.58

Finding the Fourth Proportional to 2,470.74, 3,409.41 and 1,408.58

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Solution

The fourth proportional to 2,470.74, 3,409.41 and 1,408.58 is: 1,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.74 : 3,409.41 = 1,408.58 : x
  2. Step 2: Convert to fraction form
    2,470.74/3,409.41 = 1,408.58/x
  3. Step 3: Cross multiply
    2,470.74x = 3,409.41 × 1,408.58
  4. Step 4: Simplify right side
    2,470.74x = 4,802,426.74
  5. Step 5: Solve for x
    x = 4,802,426.74/2,470.74
  6. Step 6: Final answer
    x = 1,943.72

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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.