Home / 2,217.35-3,320.19-1,776.51

Finding the Fourth Proportional to 2,217.35, 3,320.19 and 1,776.51

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Solution

The fourth proportional to 2,217.35, 3,320.19 and 1,776.51 is: 2,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.35 : 3,320.19 = 1,776.51 : x
  2. Step 2: Convert to fraction form
    2,217.35/3,320.19 = 1,776.51/x
  3. Step 3: Cross multiply
    2,217.35x = 3,320.19 × 1,776.51
  4. Step 4: Simplify right side
    2,217.35x = 5,898,350.74
  5. Step 5: Solve for x
    x = 5,898,350.74/2,217.35
  6. Step 6: Final answer
    x = 2,660.09

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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.