Home / 2,671.34-4,001.57-2,179.50

Finding the Fourth Proportional to 2,671.34, 4,001.57 and 2,179.50

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Solution

The fourth proportional to 2,671.34, 4,001.57 and 2,179.50 is: 3,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.34 : 4,001.57 = 2,179.50 : x
  2. Step 2: Convert to fraction form
    2,671.34/4,001.57 = 2,179.50/x
  3. Step 3: Cross multiply
    2,671.34x = 4,001.57 × 2,179.50
  4. Step 4: Simplify right side
    2,671.34x = 8,721,421.82
  5. Step 5: Solve for x
    x = 8,721,421.82/2,671.34
  6. Step 6: Final answer
    x = 3,264.81

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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.