Home / 2,029.92-3,045.12-1,520.16

Finding the Fourth Proportional to 2,029.92, 3,045.12 and 1,520.16

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Solution

The fourth proportional to 2,029.92, 3,045.12 and 1,520.16 is: 2,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.92 : 3,045.12 = 1,520.16 : x
  2. Step 2: Convert to fraction form
    2,029.92/3,045.12 = 1,520.16/x
  3. Step 3: Cross multiply
    2,029.92x = 3,045.12 × 1,520.16
  4. Step 4: Simplify right side
    2,029.92x = 4,629,069.62
  5. Step 5: Solve for x
    x = 4,629,069.62/2,029.92
  6. Step 6: Final answer
    x = 2,280.42

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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.