Home / 2,974.68-4,462.50-2,431.80

Finding the Fourth Proportional to 2,974.68, 4,462.50 and 2,431.80

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Solution

The fourth proportional to 2,974.68, 4,462.50 and 2,431.80 is: 3,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.68 : 4,462.50 = 2,431.80 : x
  2. Step 2: Convert to fraction form
    2,974.68/4,462.50 = 2,431.80/x
  3. Step 3: Cross multiply
    2,974.68x = 4,462.50 × 2,431.80
  4. Step 4: Simplify right side
    2,974.68x = 10,851,907.50
  5. Step 5: Solve for x
    x = 10,851,907.50/2,974.68
  6. Step 6: Final answer
    x = 3,648.09

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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.