Home / 3,746.55-5,618.87-1,113.44

Finding the Fourth Proportional to 3,746.55, 5,618.87 and 1,113.44

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Solution

The fourth proportional to 3,746.55, 5,618.87 and 1,113.44 is: 1,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.55 : 5,618.87 = 1,113.44 : x
  2. Step 2: Convert to fraction form
    3,746.55/5,618.87 = 1,113.44/x
  3. Step 3: Cross multiply
    3,746.55x = 5,618.87 × 1,113.44
  4. Step 4: Simplify right side
    3,746.55x = 6,256,260.93
  5. Step 5: Solve for x
    x = 6,256,260.93/3,746.55
  6. Step 6: Final answer
    x = 1,669.87

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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.