Home / 3,849.93-5,316.84-3,317.76

Finding the Fourth Proportional to 3,849.93, 5,316.84 and 3,317.76

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Solution

The fourth proportional to 3,849.93, 5,316.84 and 3,317.76 is: 4,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.93 : 5,316.84 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    3,849.93/5,316.84 = 3,317.76/x
  3. Step 3: Cross multiply
    3,849.93x = 5,316.84 × 3,317.76
  4. Step 4: Simplify right side
    3,849.93x = 17,639,999.08
  5. Step 5: Solve for x
    x = 17,639,999.08/3,849.93
  6. Step 6: Final answer
    x = 4,581.90

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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.