Home / 3,509.13-4,840.44-2,091.92

Finding the Fourth Proportional to 3,509.13, 4,840.44 and 2,091.92

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Solution

The fourth proportional to 3,509.13, 4,840.44 and 2,091.92 is: 2,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.13 : 4,840.44 = 2,091.92 : x
  2. Step 2: Convert to fraction form
    3,509.13/4,840.44 = 2,091.92/x
  3. Step 3: Cross multiply
    3,509.13x = 4,840.44 × 2,091.92
  4. Step 4: Simplify right side
    3,509.13x = 10,125,781.20
  5. Step 5: Solve for x
    x = 10,125,781.20/3,509.13
  6. Step 6: Final answer
    x = 2,885.55

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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.