Home / 1,181.20-1,622.72-1,058.48

Finding the Fourth Proportional to 1,181.20, 1,622.72 and 1,058.48

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Solution

The fourth proportional to 1,181.20, 1,622.72 and 1,058.48 is: 1,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.20 : 1,622.72 = 1,058.48 : x
  2. Step 2: Convert to fraction form
    1,181.20/1,622.72 = 1,058.48/x
  3. Step 3: Cross multiply
    1,181.20x = 1,622.72 × 1,058.48
  4. Step 4: Simplify right side
    1,181.20x = 1,717,616.67
  5. Step 5: Solve for x
    x = 1,717,616.67/1,181.20
  6. Step 6: Final answer
    x = 1,454.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.