Home / 3,065.40-4,227.57-2,119.52

Finding the Fourth Proportional to 3,065.40, 4,227.57 and 2,119.52

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Solution

The fourth proportional to 3,065.40, 4,227.57 and 2,119.52 is: 2,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.40 : 4,227.57 = 2,119.52 : x
  2. Step 2: Convert to fraction form
    3,065.40/4,227.57 = 2,119.52/x
  3. Step 3: Cross multiply
    3,065.40x = 4,227.57 × 2,119.52
  4. Step 4: Simplify right side
    3,065.40x = 8,960,429.74
  5. Step 5: Solve for x
    x = 8,960,429.74/3,065.40
  6. Step 6: Final answer
    x = 2,923.09

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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.