Home / 3,024.80-4,537.20-2,103.20

Finding the Fourth Proportional to 3,024.80, 4,537.20 and 2,103.20

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Solution

The fourth proportional to 3,024.80, 4,537.20 and 2,103.20 is: 3,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.80 : 4,537.20 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    3,024.80/4,537.20 = 2,103.20/x
  3. Step 3: Cross multiply
    3,024.80x = 4,537.20 × 2,103.20
  4. Step 4: Simplify right side
    3,024.80x = 9,542,639.04
  5. Step 5: Solve for x
    x = 9,542,639.04/3,024.80
  6. Step 6: Final answer
    x = 3,154.80

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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.