Home / 2,058.35-2,839.65-1,261.37

Finding the Fourth Proportional to 2,058.35, 2,839.65 and 1,261.37

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Solution

The fourth proportional to 2,058.35, 2,839.65 and 1,261.37 is: 1,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.35 : 2,839.65 = 1,261.37 : x
  2. Step 2: Convert to fraction form
    2,058.35/2,839.65 = 1,261.37/x
  3. Step 3: Cross multiply
    2,058.35x = 2,839.65 × 1,261.37
  4. Step 4: Simplify right side
    2,058.35x = 3,581,849.32
  5. Step 5: Solve for x
    x = 3,581,849.32/2,058.35
  6. Step 6: Final answer
    x = 1,740.16

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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.