Home / 2,470.20-3,707.12-1,171.68

Finding the Fourth Proportional to 2,470.20, 3,707.12 and 1,171.68

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Solution

The fourth proportional to 2,470.20, 3,707.12 and 1,171.68 is: 1,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.20 : 3,707.12 = 1,171.68 : x
  2. Step 2: Convert to fraction form
    2,470.20/3,707.12 = 1,171.68/x
  3. Step 3: Cross multiply
    2,470.20x = 3,707.12 × 1,171.68
  4. Step 4: Simplify right side
    2,470.20x = 4,343,558.36
  5. Step 5: Solve for x
    x = 4,343,558.36/2,470.20
  6. Step 6: Final answer
    x = 1,758.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.