Home / 2,470.20-3,408.33-1,673.64

Finding the Fourth Proportional to 2,470.20, 3,408.33 and 1,673.64

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Solution

The fourth proportional to 2,470.20, 3,408.33 and 1,673.64 is: 2,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.20 : 3,408.33 = 1,673.64 : x
  2. Step 2: Convert to fraction form
    2,470.20/3,408.33 = 1,673.64/x
  3. Step 3: Cross multiply
    2,470.20x = 3,408.33 × 1,673.64
  4. Step 4: Simplify right side
    2,470.20x = 5,704,304.70
  5. Step 5: Solve for x
    x = 5,704,304.70/2,470.20
  6. Step 6: Final answer
    x = 2,309.25

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1.5x scale

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.