Home / 3,671.78-5,508.32-1,207.28

Finding the Fourth Proportional to 3,671.78, 5,508.32 and 1,207.28

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Solution

The fourth proportional to 3,671.78, 5,508.32 and 1,207.28 is: 1,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.78 : 5,508.32 = 1,207.28 : x
  2. Step 2: Convert to fraction form
    3,671.78/5,508.32 = 1,207.28/x
  3. Step 3: Cross multiply
    3,671.78x = 5,508.32 × 1,207.28
  4. Step 4: Simplify right side
    3,671.78x = 6,650,050.99
  5. Step 5: Solve for x
    x = 6,650,050.99/3,671.78
  6. Step 6: Final answer
    x = 1,811.13

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1.5x scale

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.