Home / 2,868.22-3,960.10-1,925.43

Finding the Fourth Proportional to 2,868.22, 3,960.10 and 1,925.43

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Solution

The fourth proportional to 2,868.22, 3,960.10 and 1,925.43 is: 2,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.22 : 3,960.10 = 1,925.43 : x
  2. Step 2: Convert to fraction form
    2,868.22/3,960.10 = 1,925.43/x
  3. Step 3: Cross multiply
    2,868.22x = 3,960.10 × 1,925.43
  4. Step 4: Simplify right side
    2,868.22x = 7,624,895.34
  5. Step 5: Solve for x
    x = 7,624,895.34/2,868.22
  6. Step 6: Final answer
    x = 2,658.41

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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.