Home / 4,084.13-5,635.77-2,315.90

Finding the Fourth Proportional to 4,084.13, 5,635.77 and 2,315.90

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Solution

The fourth proportional to 4,084.13, 5,635.77 and 2,315.90 is: 3,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.13 : 5,635.77 = 2,315.90 : x
  2. Step 2: Convert to fraction form
    4,084.13/5,635.77 = 2,315.90/x
  3. Step 3: Cross multiply
    4,084.13x = 5,635.77 × 2,315.90
  4. Step 4: Simplify right side
    4,084.13x = 13,051,879.74
  5. Step 5: Solve for x
    x = 13,051,879.74/4,084.13
  6. Step 6: Final answer
    x = 3,195.76

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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.