Home / 2,991.57-4,487.27-1,043.75

Finding the Fourth Proportional to 2,991.57, 4,487.27 and 1,043.75

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Solution

The fourth proportional to 2,991.57, 4,487.27 and 1,043.75 is: 1,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.57 : 4,487.27 = 1,043.75 : x
  2. Step 2: Convert to fraction form
    2,991.57/4,487.27 = 1,043.75/x
  3. Step 3: Cross multiply
    2,991.57x = 4,487.27 × 1,043.75
  4. Step 4: Simplify right side
    2,991.57x = 4,683,560.41
  5. Step 5: Solve for x
    x = 4,683,560.41/2,991.57
  6. Step 6: Final answer
    x = 1,565.59

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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.