Home / 1,734.68-2,394.12-1,105.47

Finding the Fourth Proportional to 1,734.68, 2,394.12 and 1,105.47

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Solution

The fourth proportional to 1,734.68, 2,394.12 and 1,105.47 is: 1,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.68 : 2,394.12 = 1,105.47 : x
  2. Step 2: Convert to fraction form
    1,734.68/2,394.12 = 1,105.47/x
  3. Step 3: Cross multiply
    1,734.68x = 2,394.12 × 1,105.47
  4. Step 4: Simplify right side
    1,734.68x = 2,646,627.84
  5. Step 5: Solve for x
    x = 2,646,627.84/1,734.68
  6. Step 6: Final answer
    x = 1,525.72

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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.