Home / 1,839.88-2,539.38-1,054.18

Finding the Fourth Proportional to 1,839.88, 2,539.38 and 1,054.18

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Solution

The fourth proportional to 1,839.88, 2,539.38 and 1,054.18 is: 1,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.88 : 2,539.38 = 1,054.18 : x
  2. Step 2: Convert to fraction form
    1,839.88/2,539.38 = 1,054.18/x
  3. Step 3: Cross multiply
    1,839.88x = 2,539.38 × 1,054.18
  4. Step 4: Simplify right side
    1,839.88x = 2,676,963.61
  5. Step 5: Solve for x
    x = 2,676,963.61/1,839.88
  6. Step 6: Final answer
    x = 1,454.97

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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.