Home / 3,251.08-4,485.38-1,853.48

Finding the Fourth Proportional to 3,251.08, 4,485.38 and 1,853.48

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Solution

The fourth proportional to 3,251.08, 4,485.38 and 1,853.48 is: 2,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.08 : 4,485.38 = 1,853.48 : x
  2. Step 2: Convert to fraction form
    3,251.08/4,485.38 = 1,853.48/x
  3. Step 3: Cross multiply
    3,251.08x = 4,485.38 × 1,853.48
  4. Step 4: Simplify right side
    3,251.08x = 8,313,562.12
  5. Step 5: Solve for x
    x = 8,313,562.12/3,251.08
  6. Step 6: Final answer
    x = 2,557.17

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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.