Home / 3,746.35-5,620.49-1,113.89

Finding the Fourth Proportional to 3,746.35, 5,620.49 and 1,113.89

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Solution

The fourth proportional to 3,746.35, 5,620.49 and 1,113.89 is: 1,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.35 : 5,620.49 = 1,113.89 : x
  2. Step 2: Convert to fraction form
    3,746.35/5,620.49 = 1,113.89/x
  3. Step 3: Cross multiply
    3,746.35x = 5,620.49 × 1,113.89
  4. Step 4: Simplify right side
    3,746.35x = 6,260,578.11
  5. Step 5: Solve for x
    x = 6,260,578.11/3,746.35
  6. Step 6: Final answer
    x = 1,671.11

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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.