Home / 2,217.84-3,057.66-1,589.28

Finding the Fourth Proportional to 2,217.84, 3,057.66 and 1,589.28

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Solution

The fourth proportional to 2,217.84, 3,057.66 and 1,589.28 is: 2,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.84 : 3,057.66 = 1,589.28 : x
  2. Step 2: Convert to fraction form
    2,217.84/3,057.66 = 1,589.28/x
  3. Step 3: Cross multiply
    2,217.84x = 3,057.66 × 1,589.28
  4. Step 4: Simplify right side
    2,217.84x = 4,859,477.88
  5. Step 5: Solve for x
    x = 4,859,477.88/2,217.84
  6. Step 6: Final answer
    x = 2,191.09

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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.