Home / 3,942.93-5,439.53-2,596.80

Finding the Fourth Proportional to 3,942.93, 5,439.53 and 2,596.80

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Solution

The fourth proportional to 3,942.93, 5,439.53 and 2,596.80 is: 3,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.93 : 5,439.53 = 2,596.80 : x
  2. Step 2: Convert to fraction form
    3,942.93/5,439.53 = 2,596.80/x
  3. Step 3: Cross multiply
    3,942.93x = 5,439.53 × 2,596.80
  4. Step 4: Simplify right side
    3,942.93x = 14,125,358.52
  5. Step 5: Solve for x
    x = 14,125,358.52/3,942.93
  6. Step 6: Final answer
    x = 3,582.45

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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.