Home / 2,418.95-3,338.15-1,371.02

Finding the Fourth Proportional to 2,418.95, 3,338.15 and 1,371.02

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Solution

The fourth proportional to 2,418.95, 3,338.15 and 1,371.02 is: 1,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.95 : 3,338.15 = 1,371.02 : x
  2. Step 2: Convert to fraction form
    2,418.95/3,338.15 = 1,371.02/x
  3. Step 3: Cross multiply
    2,418.95x = 3,338.15 × 1,371.02
  4. Step 4: Simplify right side
    2,418.95x = 4,576,646.87
  5. Step 5: Solve for x
    x = 4,576,646.87/2,418.95
  6. Step 6: Final answer
    x = 1,892.00

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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.