Home / 3,349.68-4,611.78-2,876.64

Finding the Fourth Proportional to 3,349.68, 4,611.78 and 2,876.64

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Solution

The fourth proportional to 3,349.68, 4,611.78 and 2,876.64 is: 3,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.68 : 4,611.78 = 2,876.64 : x
  2. Step 2: Convert to fraction form
    3,349.68/4,611.78 = 2,876.64/x
  3. Step 3: Cross multiply
    3,349.68x = 4,611.78 × 2,876.64
  4. Step 4: Simplify right side
    3,349.68x = 13,266,430.82
  5. Step 5: Solve for x
    x = 13,266,430.82/3,349.68
  6. Step 6: Final answer
    x = 3,960.51

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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.