Home / 2,983.33-4,115.31-1,862.90

Finding the Fourth Proportional to 2,983.33, 4,115.31 and 1,862.90

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Solution

The fourth proportional to 2,983.33, 4,115.31 and 1,862.90 is: 2,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.33 : 4,115.31 = 1,862.90 : x
  2. Step 2: Convert to fraction form
    2,983.33/4,115.31 = 1,862.90/x
  3. Step 3: Cross multiply
    2,983.33x = 4,115.31 × 1,862.90
  4. Step 4: Simplify right side
    2,983.33x = 7,666,398.87
  5. Step 5: Solve for x
    x = 7,666,398.87/2,983.33
  6. Step 6: Final answer
    x = 2,569.74

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1.5x scale

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.