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Finding the Fourth Proportional to 3,058, 4,587.54 and 1,110.40

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Solution

The fourth proportional to 3,058, 4,587.54 and 1,110.40 is: 1,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058 : 4,587.54 = 1,110.40 : x
  2. Step 2: Convert to fraction form
    3,058/4,587.54 = 1,110.40/x
  3. Step 3: Cross multiply
    3,058x = 4,587.54 × 1,110.40
  4. Step 4: Simplify right side
    3,058x = 5,094,004.42
  5. Step 5: Solve for x
    x = 5,094,004.42/3,058
  6. Step 6: Final answer
    x = 1,665.80

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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.