Home / 3,806.15-5,253.33-2,313.75

Finding the Fourth Proportional to 3,806.15, 5,253.33 and 2,313.75

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Solution

The fourth proportional to 3,806.15, 5,253.33 and 2,313.75 is: 3,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.15 : 5,253.33 = 2,313.75 : x
  2. Step 2: Convert to fraction form
    3,806.15/5,253.33 = 2,313.75/x
  3. Step 3: Cross multiply
    3,806.15x = 5,253.33 × 2,313.75
  4. Step 4: Simplify right side
    3,806.15x = 12,154,898.07
  5. Step 5: Solve for x
    x = 12,154,898.07/3,806.15
  6. Step 6: Final answer
    x = 3,193.49

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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.