Home / 1,839.80-2,538.74-1,043.06

Finding the Fourth Proportional to 1,839.80, 2,538.74 and 1,043.06

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Solution

The fourth proportional to 1,839.80, 2,538.74 and 1,043.06 is: 1,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.80 : 2,538.74 = 1,043.06 : x
  2. Step 2: Convert to fraction form
    1,839.80/2,538.74 = 1,043.06/x
  3. Step 3: Cross multiply
    1,839.80x = 2,538.74 × 1,043.06
  4. Step 4: Simplify right side
    1,839.80x = 2,648,040.24
  5. Step 5: Solve for x
    x = 2,648,040.24/1,839.80
  6. Step 6: Final answer
    x = 1,439.31

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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.