Home / 3,049.90-4,574.85-2,991.58

Finding the Fourth Proportional to 3,049.90, 4,574.85 and 2,991.58

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Solution

The fourth proportional to 3,049.90, 4,574.85 and 2,991.58 is: 4,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.90 : 4,574.85 = 2,991.58 : x
  2. Step 2: Convert to fraction form
    3,049.90/4,574.85 = 2,991.58/x
  3. Step 3: Cross multiply
    3,049.90x = 4,574.85 × 2,991.58
  4. Step 4: Simplify right side
    3,049.90x = 13,686,029.76
  5. Step 5: Solve for x
    x = 13,686,029.76/3,049.90
  6. Step 6: Final answer
    x = 4,487.37

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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.