Home / 3,454.83-5,202.72-3,112.20

Finding the Fourth Proportional to 3,454.83, 5,202.72 and 3,112.20

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Solution

The fourth proportional to 3,454.83, 5,202.72 and 3,112.20 is: 4,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.83 : 5,202.72 = 3,112.20 : x
  2. Step 2: Convert to fraction form
    3,454.83/5,202.72 = 3,112.20/x
  3. Step 3: Cross multiply
    3,454.83x = 5,202.72 × 3,112.20
  4. Step 4: Simplify right side
    3,454.83x = 16,191,905.18
  5. Step 5: Solve for x
    x = 16,191,905.18/3,454.83
  6. Step 6: Final answer
    x = 4,686.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.