Home / 3,947.47-5,910.16-2,094.40

Finding the Fourth Proportional to 3,947.47, 5,910.16 and 2,094.40

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Solution

The fourth proportional to 3,947.47, 5,910.16 and 2,094.40 is: 3,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.47 : 5,910.16 = 2,094.40 : x
  2. Step 2: Convert to fraction form
    3,947.47/5,910.16 = 2,094.40/x
  3. Step 3: Cross multiply
    3,947.47x = 5,910.16 × 2,094.40
  4. Step 4: Simplify right side
    3,947.47x = 12,378,239.10
  5. Step 5: Solve for x
    x = 12,378,239.10/3,947.47
  6. Step 6: Final answer
    x = 3,135.74

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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.