Home / 2,490.55-3,436.93-1,371.47

Finding the Fourth Proportional to 2,490.55, 3,436.93 and 1,371.47

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Solution

The fourth proportional to 2,490.55, 3,436.93 and 1,371.47 is: 1,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.55 : 3,436.93 = 1,371.47 : x
  2. Step 2: Convert to fraction form
    2,490.55/3,436.93 = 1,371.47/x
  3. Step 3: Cross multiply
    2,490.55x = 3,436.93 × 1,371.47
  4. Step 4: Simplify right side
    2,490.55x = 4,713,622.35
  5. Step 5: Solve for x
    x = 4,713,622.35/2,490.55
  6. Step 6: Final answer
    x = 1,892.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.