Home / 3,073.52-4,236.44-2,140.40

Finding the Fourth Proportional to 3,073.52, 4,236.44 and 2,140.40

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Solution

The fourth proportional to 3,073.52, 4,236.44 and 2,140.40 is: 2,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.52 : 4,236.44 = 2,140.40 : x
  2. Step 2: Convert to fraction form
    3,073.52/4,236.44 = 2,140.40/x
  3. Step 3: Cross multiply
    3,073.52x = 4,236.44 × 2,140.40
  4. Step 4: Simplify right side
    3,073.52x = 9,067,676.18
  5. Step 5: Solve for x
    x = 9,067,676.18/3,073.52
  6. Step 6: Final answer
    x = 2,950.26

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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.