Home / 2,058.10-2,839.91-1,161.81

Finding the Fourth Proportional to 2,058.10, 2,839.91 and 1,161.81

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Solution

The fourth proportional to 2,058.10, 2,839.91 and 1,161.81 is: 1,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.10 : 2,839.91 = 1,161.81 : x
  2. Step 2: Convert to fraction form
    2,058.10/2,839.91 = 1,161.81/x
  3. Step 3: Cross multiply
    2,058.10x = 2,839.91 × 1,161.81
  4. Step 4: Simplify right side
    2,058.10x = 3,299,430.03
  5. Step 5: Solve for x
    x = 3,299,430.03/2,058.10
  6. Step 6: Final answer
    x = 1,603.15

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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.