Home / 2,490.49-3,437.07-1,371.64

Finding the Fourth Proportional to 2,490.49, 3,437.07 and 1,371.64

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Solution

The fourth proportional to 2,490.49, 3,437.07 and 1,371.64 is: 1,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.49 : 3,437.07 = 1,371.64 : x
  2. Step 2: Convert to fraction form
    2,490.49/3,437.07 = 1,371.64/x
  3. Step 3: Cross multiply
    2,490.49x = 3,437.07 × 1,371.64
  4. Step 4: Simplify right side
    2,490.49x = 4,714,422.69
  5. Step 5: Solve for x
    x = 4,714,422.69/2,490.49
  6. Step 6: Final answer
    x = 1,892.97

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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.