Home / 2,490.93-3,437.46-1,371.87

Finding the Fourth Proportional to 2,490.93, 3,437.46 and 1,371.87

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Solution

The fourth proportional to 2,490.93, 3,437.46 and 1,371.87 is: 1,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.93 : 3,437.46 = 1,371.87 : x
  2. Step 2: Convert to fraction form
    2,490.93/3,437.46 = 1,371.87/x
  3. Step 3: Cross multiply
    2,490.93x = 3,437.46 × 1,371.87
  4. Step 4: Simplify right side
    2,490.93x = 4,715,748.25
  5. Step 5: Solve for x
    x = 4,715,748.25/2,490.93
  6. Step 6: Final answer
    x = 1,893.17

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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.