Home / 2,504.12-3,454.52-1,620.20

Finding the Fourth Proportional to 2,504.12, 3,454.52 and 1,620.20

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Solution

The fourth proportional to 2,504.12, 3,454.52 and 1,620.20 is: 2,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.12 : 3,454.52 = 1,620.20 : x
  2. Step 2: Convert to fraction form
    2,504.12/3,454.52 = 1,620.20/x
  3. Step 3: Cross multiply
    2,504.12x = 3,454.52 × 1,620.20
  4. Step 4: Simplify right side
    2,504.12x = 5,597,013.84
  5. Step 5: Solve for x
    x = 5,597,013.84/2,504.12
  6. Step 6: Final answer
    x = 2,235.13

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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.