Home / 2,226.74-3,339.18-839.84

Finding the Fourth Proportional to 2,226.74, 3,339.18 and 839.84

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Solution

The fourth proportional to 2,226.74, 3,339.18 and 839.84 is: 1,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.74 : 3,339.18 = 839.84 : x
  2. Step 2: Convert to fraction form
    2,226.74/3,339.18 = 839.84/x
  3. Step 3: Cross multiply
    2,226.74x = 3,339.18 × 839.84
  4. Step 4: Simplify right side
    2,226.74x = 2,804,360.24
  5. Step 5: Solve for x
    x = 2,804,360.24/2,226.74
  6. Step 6: Final answer
    x = 1,259.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.