Home / 2,771.31-4,153.17-1,470.18

Finding the Fourth Proportional to 2,771.31, 4,153.17 and 1,470.18

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Solution

The fourth proportional to 2,771.31, 4,153.17 and 1,470.18 is: 2,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.31 : 4,153.17 = 1,470.18 : x
  2. Step 2: Convert to fraction form
    2,771.31/4,153.17 = 1,470.18/x
  3. Step 3: Cross multiply
    2,771.31x = 4,153.17 × 1,470.18
  4. Step 4: Simplify right side
    2,771.31x = 6,105,907.47
  5. Step 5: Solve for x
    x = 6,105,907.47/2,771.31
  6. Step 6: Final answer
    x = 2,203.26

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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.