Home / 3,041.52-4,191.60-2,806.20

Finding the Fourth Proportional to 3,041.52, 4,191.60 and 2,806.20

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Solution

The fourth proportional to 3,041.52, 4,191.60 and 2,806.20 is: 3,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.52 : 4,191.60 = 2,806.20 : x
  2. Step 2: Convert to fraction form
    3,041.52/4,191.60 = 2,806.20/x
  3. Step 3: Cross multiply
    3,041.52x = 4,191.60 × 2,806.20
  4. Step 4: Simplify right side
    3,041.52x = 11,762,467.92
  5. Step 5: Solve for x
    x = 11,762,467.92/3,041.52
  6. Step 6: Final answer
    x = 3,867.30

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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.