Home / 2,293.05-3,438.93-1,122.42

Finding the Fourth Proportional to 2,293.05, 3,438.93 and 1,122.42

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Solution

The fourth proportional to 2,293.05, 3,438.93 and 1,122.42 is: 1,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.05 : 3,438.93 = 1,122.42 : x
  2. Step 2: Convert to fraction form
    2,293.05/3,438.93 = 1,122.42/x
  3. Step 3: Cross multiply
    2,293.05x = 3,438.93 × 1,122.42
  4. Step 4: Simplify right side
    2,293.05x = 3,859,923.81
  5. Step 5: Solve for x
    x = 3,859,923.81/2,293.05
  6. Step 6: Final answer
    x = 1,683.31

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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.