Home / 2,991.36-4,487.08-1,043.62

Finding the Fourth Proportional to 2,991.36, 4,487.08 and 1,043.62

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Solution

The fourth proportional to 2,991.36, 4,487.08 and 1,043.62 is: 1,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.36 : 4,487.08 = 1,043.62 : x
  2. Step 2: Convert to fraction form
    2,991.36/4,487.08 = 1,043.62/x
  3. Step 3: Cross multiply
    2,991.36x = 4,487.08 × 1,043.62
  4. Step 4: Simplify right side
    2,991.36x = 4,682,806.43
  5. Step 5: Solve for x
    x = 4,682,806.43/2,991.36
  6. Step 6: Final answer
    x = 1,565.44

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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.