Home / 3,103.40-4,282.08-2,054.84

Finding the Fourth Proportional to 3,103.40, 4,282.08 and 2,054.84

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Solution

The fourth proportional to 3,103.40, 4,282.08 and 2,054.84 is: 2,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.40 : 4,282.08 = 2,054.84 : x
  2. Step 2: Convert to fraction form
    3,103.40/4,282.08 = 2,054.84/x
  3. Step 3: Cross multiply
    3,103.40x = 4,282.08 × 2,054.84
  4. Step 4: Simplify right side
    3,103.40x = 8,798,989.27
  5. Step 5: Solve for x
    x = 8,798,989.27/3,103.40
  6. Step 6: Final answer
    x = 2,835.27

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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.