Home / 3,808.70-5,253.69-2,317.65

Finding the Fourth Proportional to 3,808.70, 5,253.69 and 2,317.65

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Solution

The fourth proportional to 3,808.70, 5,253.69 and 2,317.65 is: 3,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.70 : 5,253.69 = 2,317.65 : x
  2. Step 2: Convert to fraction form
    3,808.70/5,253.69 = 2,317.65/x
  3. Step 3: Cross multiply
    3,808.70x = 5,253.69 × 2,317.65
  4. Step 4: Simplify right side
    3,808.70x = 12,176,214.63
  5. Step 5: Solve for x
    x = 12,176,214.63/3,808.70
  6. Step 6: Final answer
    x = 3,196.95

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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.