Home / 2,271.73-3,134.98-1,328.17

Finding the Fourth Proportional to 2,271.73, 3,134.98 and 1,328.17

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Solution

The fourth proportional to 2,271.73, 3,134.98 and 1,328.17 is: 1,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.73 : 3,134.98 = 1,328.17 : x
  2. Step 2: Convert to fraction form
    2,271.73/3,134.98 = 1,328.17/x
  3. Step 3: Cross multiply
    2,271.73x = 3,134.98 × 1,328.17
  4. Step 4: Simplify right side
    2,271.73x = 4,163,786.39
  5. Step 5: Solve for x
    x = 4,163,786.39/2,271.73
  6. Step 6: Final answer
    x = 1,832.87

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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.