Home / 2,228.95-3,342.21-1,769.68

Finding the Fourth Proportional to 2,228.95, 3,342.21 and 1,769.68

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Solution

The fourth proportional to 2,228.95, 3,342.21 and 1,769.68 is: 2,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.95 : 3,342.21 = 1,769.68 : x
  2. Step 2: Convert to fraction form
    2,228.95/3,342.21 = 1,769.68/x
  3. Step 3: Cross multiply
    2,228.95x = 3,342.21 × 1,769.68
  4. Step 4: Simplify right side
    2,228.95x = 5,914,642.19
  5. Step 5: Solve for x
    x = 5,914,642.19/2,228.95
  6. Step 6: Final answer
    x = 2,653.56

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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.