Home / 3,348.80-4,621.01-1,932.20

Finding the Fourth Proportional to 3,348.80, 4,621.01 and 1,932.20

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Solution

The fourth proportional to 3,348.80, 4,621.01 and 1,932.20 is: 2,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.80 : 4,621.01 = 1,932.20 : x
  2. Step 2: Convert to fraction form
    3,348.80/4,621.01 = 1,932.20/x
  3. Step 3: Cross multiply
    3,348.80x = 4,621.01 × 1,932.20
  4. Step 4: Simplify right side
    3,348.80x = 8,928,682.76
  5. Step 5: Solve for x
    x = 8,928,682.76/3,348.80
  6. Step 6: Final answer
    x = 2,666.24

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Double scale
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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.