Home / 1,058.10-1,587.15-441.66

Finding the Fourth Proportional to 1,058.10, 1,587.15 and 441.66

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Solution

The fourth proportional to 1,058.10, 1,587.15 and 441.66 is: 662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.10 : 1,587.15 = 441.66 : x
  2. Step 2: Convert to fraction form
    1,058.10/1,587.15 = 441.66/x
  3. Step 3: Cross multiply
    1,058.10x = 1,587.15 × 441.66
  4. Step 4: Simplify right side
    1,058.10x = 700,980.67
  5. Step 5: Solve for x
    x = 700,980.67/1,058.10
  6. Step 6: Final answer
    x = 662.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.