Home / 2,263.08-3,122.66-1,268.40

Finding the Fourth Proportional to 2,263.08, 3,122.66 and 1,268.40

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Solution

The fourth proportional to 2,263.08, 3,122.66 and 1,268.40 is: 1,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.08 : 3,122.66 = 1,268.40 : x
  2. Step 2: Convert to fraction form
    2,263.08/3,122.66 = 1,268.40/x
  3. Step 3: Cross multiply
    2,263.08x = 3,122.66 × 1,268.40
  4. Step 4: Simplify right side
    2,263.08x = 3,960,781.94
  5. Step 5: Solve for x
    x = 3,960,781.94/2,263.08
  6. Step 6: Final answer
    x = 1,750.17

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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.