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Finding the Fourth Proportional to 3,656.10, 5,483.88 and 1,058.88

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Solution

The fourth proportional to 3,656.10, 5,483.88 and 1,058.88 is: 1,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.10 : 5,483.88 = 1,058.88 : x
  2. Step 2: Convert to fraction form
    3,656.10/5,483.88 = 1,058.88/x
  3. Step 3: Cross multiply
    3,656.10x = 5,483.88 × 1,058.88
  4. Step 4: Simplify right side
    3,656.10x = 5,806,770.85
  5. Step 5: Solve for x
    x = 5,806,770.85/3,656.10
  6. Step 6: Final answer
    x = 1,588.24

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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.