Home / 2,991.36-4,487.07-1,043.61

Finding the Fourth Proportional to 2,991.36, 4,487.07 and 1,043.61

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Solution

The fourth proportional to 2,991.36, 4,487.07 and 1,043.61 is: 1,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.36 : 4,487.07 = 1,043.61 : x
  2. Step 2: Convert to fraction form
    2,991.36/4,487.07 = 1,043.61/x
  3. Step 3: Cross multiply
    2,991.36x = 4,487.07 × 1,043.61
  4. Step 4: Simplify right side
    2,991.36x = 4,682,751.12
  5. Step 5: Solve for x
    x = 4,682,751.12/2,991.36
  6. Step 6: Final answer
    x = 1,565.43

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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.