Home / 3,630.29-5,445.14-1,164.45

Finding the Fourth Proportional to 3,630.29, 5,445.14 and 1,164.45

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Solution

The fourth proportional to 3,630.29, 5,445.14 and 1,164.45 is: 1,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.29 : 5,445.14 = 1,164.45 : x
  2. Step 2: Convert to fraction form
    3,630.29/5,445.14 = 1,164.45/x
  3. Step 3: Cross multiply
    3,630.29x = 5,445.14 × 1,164.45
  4. Step 4: Simplify right side
    3,630.29x = 6,340,587.45
  5. Step 5: Solve for x
    x = 6,340,587.45/3,630.29
  6. Step 6: Final answer
    x = 1,746.58

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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.