Home / 4,084.29-5,636.32-2,315.90

Finding the Fourth Proportional to 4,084.29, 5,636.32 and 2,315.90

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Solution

The fourth proportional to 4,084.29, 5,636.32 and 2,315.90 is: 3,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.29 : 5,636.32 = 2,315.90 : x
  2. Step 2: Convert to fraction form
    4,084.29/5,636.32 = 2,315.90/x
  3. Step 3: Cross multiply
    4,084.29x = 5,636.32 × 2,315.90
  4. Step 4: Simplify right side
    4,084.29x = 13,053,125.31
  5. Step 5: Solve for x
    x = 13,053,125.31/4,084.29
  6. Step 6: Final answer
    x = 3,195.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.