Home / 3,015.17-4,522.95-823.71

Finding the Fourth Proportional to 3,015.17, 4,522.95 and 823.71

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Solution

The fourth proportional to 3,015.17, 4,522.95 and 823.71 is: 1,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.17 : 4,522.95 = 823.71 : x
  2. Step 2: Convert to fraction form
    3,015.17/4,522.95 = 823.71/x
  3. Step 3: Cross multiply
    3,015.17x = 4,522.95 × 823.71
  4. Step 4: Simplify right side
    3,015.17x = 3,725,599.14
  5. Step 5: Solve for x
    x = 3,725,599.14/3,015.17
  6. Step 6: Final answer
    x = 1,235.62

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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.