Home / 2,312.46-3,470.92-2,187.59

Finding the Fourth Proportional to 2,312.46, 3,470.92 and 2,187.59

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Solution

The fourth proportional to 2,312.46, 3,470.92 and 2,187.59 is: 3,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.46 : 3,470.92 = 2,187.59 : x
  2. Step 2: Convert to fraction form
    2,312.46/3,470.92 = 2,187.59/x
  3. Step 3: Cross multiply
    2,312.46x = 3,470.92 × 2,187.59
  4. Step 4: Simplify right side
    2,312.46x = 7,592,927.06
  5. Step 5: Solve for x
    x = 7,592,927.06/2,312.46
  6. Step 6: Final answer
    x = 3,283.48

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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.