Home / 3,012.93-4,521.22-1,553.11

Finding the Fourth Proportional to 3,012.93, 4,521.22 and 1,553.11

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Solution

The fourth proportional to 3,012.93, 4,521.22 and 1,553.11 is: 2,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.93 : 4,521.22 = 1,553.11 : x
  2. Step 2: Convert to fraction form
    3,012.93/4,521.22 = 1,553.11/x
  3. Step 3: Cross multiply
    3,012.93x = 4,521.22 × 1,553.11
  4. Step 4: Simplify right side
    3,012.93x = 7,021,951.99
  5. Step 5: Solve for x
    x = 7,021,951.99/3,012.93
  6. Step 6: Final answer
    x = 2,330.61

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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.