Home / 3,512.78-4,848.66-2,318.64

Finding the Fourth Proportional to 3,512.78, 4,848.66 and 2,318.64

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Solution

The fourth proportional to 3,512.78, 4,848.66 and 2,318.64 is: 3,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.78 : 4,848.66 = 2,318.64 : x
  2. Step 2: Convert to fraction form
    3,512.78/4,848.66 = 2,318.64/x
  3. Step 3: Cross multiply
    3,512.78x = 4,848.66 × 2,318.64
  4. Step 4: Simplify right side
    3,512.78x = 11,242,306.11
  5. Step 5: Solve for x
    x = 11,242,306.11/3,512.78
  6. Step 6: Final answer
    x = 3,200.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.