Home / 2,470.75-3,707.95-1,172.23

Finding the Fourth Proportional to 2,470.75, 3,707.95 and 1,172.23

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Solution

The fourth proportional to 2,470.75, 3,707.95 and 1,172.23 is: 1,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.75 : 3,707.95 = 1,172.23 : x
  2. Step 2: Convert to fraction form
    2,470.75/3,707.95 = 1,172.23/x
  3. Step 3: Cross multiply
    2,470.75x = 3,707.95 × 1,172.23
  4. Step 4: Simplify right side
    2,470.75x = 4,346,570.23
  5. Step 5: Solve for x
    x = 4,346,570.23/2,470.75
  6. Step 6: Final answer
    x = 1,759.21

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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.