Home / 2,470.56-3,405.42-1,673.64

Finding the Fourth Proportional to 2,470.56, 3,405.42 and 1,673.64

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Solution

The fourth proportional to 2,470.56, 3,405.42 and 1,673.64 is: 2,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.56 : 3,405.42 = 1,673.64 : x
  2. Step 2: Convert to fraction form
    2,470.56/3,405.42 = 1,673.64/x
  3. Step 3: Cross multiply
    2,470.56x = 3,405.42 × 1,673.64
  4. Step 4: Simplify right side
    2,470.56x = 5,699,447.13
  5. Step 5: Solve for x
    x = 5,699,447.13/2,470.56
  6. Step 6: Final answer
    x = 2,306.95

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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.