Home / 3,960.93-5,465.00-2,685.43

Finding the Fourth Proportional to 3,960.93, 5,465.00 and 2,685.43

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Solution

The fourth proportional to 3,960.93, 5,465.00 and 2,685.43 is: 3,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.93 : 5,465.00 = 2,685.43 : x
  2. Step 2: Convert to fraction form
    3,960.93/5,465.00 = 2,685.43/x
  3. Step 3: Cross multiply
    3,960.93x = 5,465.00 × 2,685.43
  4. Step 4: Simplify right side
    3,960.93x = 14,675,888.49
  5. Step 5: Solve for x
    x = 14,675,888.49/3,960.93
  6. Step 6: Final answer
    x = 3,705.16

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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.