Home / 2,263.78-3,394.76-1,440.93

Finding the Fourth Proportional to 2,263.78, 3,394.76 and 1,440.93

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Solution

The fourth proportional to 2,263.78, 3,394.76 and 1,440.93 is: 2,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.78 : 3,394.76 = 1,440.93 : x
  2. Step 2: Convert to fraction form
    2,263.78/3,394.76 = 1,440.93/x
  3. Step 3: Cross multiply
    2,263.78x = 3,394.76 × 1,440.93
  4. Step 4: Simplify right side
    2,263.78x = 4,891,604.32
  5. Step 5: Solve for x
    x = 4,891,604.32/2,263.78
  6. Step 6: Final answer
    x = 2,160.81

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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.