Home / 3,512.90-4,848.35-2,672.25

Finding the Fourth Proportional to 3,512.90, 4,848.35 and 2,672.25

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Solution

The fourth proportional to 3,512.90, 4,848.35 and 2,672.25 is: 3,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.90 : 4,848.35 = 2,672.25 : x
  2. Step 2: Convert to fraction form
    3,512.90/4,848.35 = 2,672.25/x
  3. Step 3: Cross multiply
    3,512.90x = 4,848.35 × 2,672.25
  4. Step 4: Simplify right side
    3,512.90x = 12,955,989.93
  5. Step 5: Solve for x
    x = 12,955,989.93/3,512.90
  6. Step 6: Final answer
    x = 3,688.12

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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.