Home / 2,223.16-3,067.93-1,228.53

Finding the Fourth Proportional to 2,223.16, 3,067.93 and 1,228.53

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Solution

The fourth proportional to 2,223.16, 3,067.93 and 1,228.53 is: 1,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.16 : 3,067.93 = 1,228.53 : x
  2. Step 2: Convert to fraction form
    2,223.16/3,067.93 = 1,228.53/x
  3. Step 3: Cross multiply
    2,223.16x = 3,067.93 × 1,228.53
  4. Step 4: Simplify right side
    2,223.16x = 3,769,050.17
  5. Step 5: Solve for x
    x = 3,769,050.17/2,223.16
  6. Step 6: Final answer
    x = 1,695.35

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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.