Home / 3,015.15-4,522.86-1,553.91

Finding the Fourth Proportional to 3,015.15, 4,522.86 and 1,553.91

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Solution

The fourth proportional to 3,015.15, 4,522.86 and 1,553.91 is: 2,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.15 : 4,522.86 = 1,553.91 : x
  2. Step 2: Convert to fraction form
    3,015.15/4,522.86 = 1,553.91/x
  3. Step 3: Cross multiply
    3,015.15x = 4,522.86 × 1,553.91
  4. Step 4: Simplify right side
    3,015.15x = 7,028,117.38
  5. Step 5: Solve for x
    x = 7,028,117.38/3,015.15
  6. Step 6: Final answer
    x = 2,330.93

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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.