Home / 3,270.08-4,512.40-1,853.64

Finding the Fourth Proportional to 3,270.08, 4,512.40 and 1,853.64

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Solution

The fourth proportional to 3,270.08, 4,512.40 and 1,853.64 is: 2,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.08 : 4,512.40 = 1,853.64 : x
  2. Step 2: Convert to fraction form
    3,270.08/4,512.40 = 1,853.64/x
  3. Step 3: Cross multiply
    3,270.08x = 4,512.40 × 1,853.64
  4. Step 4: Simplify right side
    3,270.08x = 8,364,365.14
  5. Step 5: Solve for x
    x = 8,364,365.14/3,270.08
  6. Step 6: Final answer
    x = 2,557.85

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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.