Home / 3,627.67-5,005.95-2,135.30

Finding the Fourth Proportional to 3,627.67, 5,005.95 and 2,135.30

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Solution

The fourth proportional to 3,627.67, 5,005.95 and 2,135.30 is: 2,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.67 : 5,005.95 = 2,135.30 : x
  2. Step 2: Convert to fraction form
    3,627.67/5,005.95 = 2,135.30/x
  3. Step 3: Cross multiply
    3,627.67x = 5,005.95 × 2,135.30
  4. Step 4: Simplify right side
    3,627.67x = 10,689,205.04
  5. Step 5: Solve for x
    x = 10,689,205.04/3,627.67
  6. Step 6: Final answer
    x = 2,946.58

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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.