Home / 1,767.07-2,438.55-1,103.92

Finding the Fourth Proportional to 1,767.07, 2,438.55 and 1,103.92

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Solution

The fourth proportional to 1,767.07, 2,438.55 and 1,103.92 is: 1,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.07 : 2,438.55 = 1,103.92 : x
  2. Step 2: Convert to fraction form
    1,767.07/2,438.55 = 1,103.92/x
  3. Step 3: Cross multiply
    1,767.07x = 2,438.55 × 1,103.92
  4. Step 4: Simplify right side
    1,767.07x = 2,691,964.12
  5. Step 5: Solve for x
    x = 2,691,964.12/1,767.07
  6. Step 6: Final answer
    x = 1,523.41

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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.