Home / 2,490.93-3,437.55-1,371.93

Finding the Fourth Proportional to 2,490.93, 3,437.55 and 1,371.93

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Solution

The fourth proportional to 2,490.93, 3,437.55 and 1,371.93 is: 1,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.93 : 3,437.55 = 1,371.93 : x
  2. Step 2: Convert to fraction form
    2,490.93/3,437.55 = 1,371.93/x
  3. Step 3: Cross multiply
    2,490.93x = 3,437.55 × 1,371.93
  4. Step 4: Simplify right side
    2,490.93x = 4,716,077.97
  5. Step 5: Solve for x
    x = 4,716,077.97/2,490.93
  6. Step 6: Final answer
    x = 1,893.30

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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.