Home / 3,348.20-4,620.55-1,856.14

Finding the Fourth Proportional to 3,348.20, 4,620.55 and 1,856.14

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Solution

The fourth proportional to 3,348.20, 4,620.55 and 1,856.14 is: 2,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.20 : 4,620.55 = 1,856.14 : x
  2. Step 2: Convert to fraction form
    3,348.20/4,620.55 = 1,856.14/x
  3. Step 3: Cross multiply
    3,348.20x = 4,620.55 × 1,856.14
  4. Step 4: Simplify right side
    3,348.20x = 8,576,387.68
  5. Step 5: Solve for x
    x = 8,576,387.68/3,348.20
  6. Step 6: Final answer
    x = 2,561.49

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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.