Home / 2,973.75-4,438.25-2,640.84

Finding the Fourth Proportional to 2,973.75, 4,438.25 and 2,640.84

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Solution

The fourth proportional to 2,973.75, 4,438.25 and 2,640.84 is: 3,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.75 : 4,438.25 = 2,640.84 : x
  2. Step 2: Convert to fraction form
    2,973.75/4,438.25 = 2,640.84/x
  3. Step 3: Cross multiply
    2,973.75x = 4,438.25 × 2,640.84
  4. Step 4: Simplify right side
    2,973.75x = 11,720,694.93
  5. Step 5: Solve for x
    x = 11,720,694.93/2,973.75
  6. Step 6: Final answer
    x = 3,941.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.