Home / 1,727.46-2,385.51-1,107.54

Finding the Fourth Proportional to 1,727.46, 2,385.51 and 1,107.54

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Solution

The fourth proportional to 1,727.46, 2,385.51 and 1,107.54 is: 1,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.46 : 2,385.51 = 1,107.54 : x
  2. Step 2: Convert to fraction form
    1,727.46/2,385.51 = 1,107.54/x
  3. Step 3: Cross multiply
    1,727.46x = 2,385.51 × 1,107.54
  4. Step 4: Simplify right side
    1,727.46x = 2,642,047.75
  5. Step 5: Solve for x
    x = 2,642,047.75/1,727.46
  6. Step 6: Final answer
    x = 1,529.44

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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.