Home / 3,508.63-4,847.84-2,715.19

Finding the Fourth Proportional to 3,508.63, 4,847.84 and 2,715.19

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Solution

The fourth proportional to 3,508.63, 4,847.84 and 2,715.19 is: 3,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.63 : 4,847.84 = 2,715.19 : x
  2. Step 2: Convert to fraction form
    3,508.63/4,847.84 = 2,715.19/x
  3. Step 3: Cross multiply
    3,508.63x = 4,847.84 × 2,715.19
  4. Step 4: Simplify right side
    3,508.63x = 13,162,791.18
  5. Step 5: Solve for x
    x = 13,162,791.18/3,508.63
  6. Step 6: Final answer
    x = 3,751.55

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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.