Home / 3,240.39-4,478.85-2,362.35

Finding the Fourth Proportional to 3,240.39, 4,478.85 and 2,362.35

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Solution

The fourth proportional to 3,240.39, 4,478.85 and 2,362.35 is: 3,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.39 : 4,478.85 = 2,362.35 : x
  2. Step 2: Convert to fraction form
    3,240.39/4,478.85 = 2,362.35/x
  3. Step 3: Cross multiply
    3,240.39x = 4,478.85 × 2,362.35
  4. Step 4: Simplify right side
    3,240.39x = 10,580,611.30
  5. Step 5: Solve for x
    x = 10,580,611.30/3,240.39
  6. Step 6: Final answer
    x = 3,265.23

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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.