Home / 2,470.70-3,707.87-1,172.18

Finding the Fourth Proportional to 2,470.70, 3,707.87 and 1,172.18

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Solution

The fourth proportional to 2,470.70, 3,707.87 and 1,172.18 is: 1,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.70 : 3,707.87 = 1,172.18 : x
  2. Step 2: Convert to fraction form
    2,470.70/3,707.87 = 1,172.18/x
  3. Step 3: Cross multiply
    2,470.70x = 3,707.87 × 1,172.18
  4. Step 4: Simplify right side
    2,470.70x = 4,346,266.66
  5. Step 5: Solve for x
    x = 4,346,266.66/2,470.70
  6. Step 6: Final answer
    x = 1,759.13

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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.