Home / 4,084.08-5,635.86-2,315.76

Finding the Fourth Proportional to 4,084.08, 5,635.86 and 2,315.76

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Solution

The fourth proportional to 4,084.08, 5,635.86 and 2,315.76 is: 3,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.08 : 5,635.86 = 2,315.76 : x
  2. Step 2: Convert to fraction form
    4,084.08/5,635.86 = 2,315.76/x
  3. Step 3: Cross multiply
    4,084.08x = 5,635.86 × 2,315.76
  4. Step 4: Simplify right side
    4,084.08x = 13,051,299.15
  5. Step 5: Solve for x
    x = 13,051,299.15/4,084.08
  6. Step 6: Final answer
    x = 3,195.65

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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.