Home / 4,271.20-5,891.36-2,854.34

Finding the Fourth Proportional to 4,271.20, 5,891.36 and 2,854.34

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Solution

The fourth proportional to 4,271.20, 5,891.36 and 2,854.34 is: 3,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.20 : 5,891.36 = 2,854.34 : x
  2. Step 2: Convert to fraction form
    4,271.20/5,891.36 = 2,854.34/x
  3. Step 3: Cross multiply
    4,271.20x = 5,891.36 × 2,854.34
  4. Step 4: Simplify right side
    4,271.20x = 16,815,944.50
  5. Step 5: Solve for x
    x = 16,815,944.50/4,271.20
  6. Step 6: Final answer
    x = 3,937.05

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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.