Home / 3,981.49-5,494.30-2,303.44

Finding the Fourth Proportional to 3,981.49, 5,494.30 and 2,303.44

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Solution

The fourth proportional to 3,981.49, 5,494.30 and 2,303.44 is: 3,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.49 : 5,494.30 = 2,303.44 : x
  2. Step 2: Convert to fraction form
    3,981.49/5,494.30 = 2,303.44/x
  3. Step 3: Cross multiply
    3,981.49x = 5,494.30 × 2,303.44
  4. Step 4: Simplify right side
    3,981.49x = 12,655,790.39
  5. Step 5: Solve for x
    x = 12,655,790.39/3,981.49
  6. Step 6: Final answer
    x = 3,178.66

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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.