Home / 2,314.86-3,470.75-1,275.36

Finding the Fourth Proportional to 2,314.86, 3,470.75 and 1,275.36

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Solution

The fourth proportional to 2,314.86, 3,470.75 and 1,275.36 is: 1,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.86 : 3,470.75 = 1,275.36 : x
  2. Step 2: Convert to fraction form
    2,314.86/3,470.75 = 1,275.36/x
  3. Step 3: Cross multiply
    2,314.86x = 3,470.75 × 1,275.36
  4. Step 4: Simplify right side
    2,314.86x = 4,426,455.72
  5. Step 5: Solve for x
    x = 4,426,455.72/2,314.86
  6. Step 6: Final answer
    x = 1,912.19

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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.