Home / 3,838.86-5,757.58-1,065.76

Finding the Fourth Proportional to 3,838.86, 5,757.58 and 1,065.76

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Solution

The fourth proportional to 3,838.86, 5,757.58 and 1,065.76 is: 1,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.86 : 5,757.58 = 1,065.76 : x
  2. Step 2: Convert to fraction form
    3,838.86/5,757.58 = 1,065.76/x
  3. Step 3: Cross multiply
    3,838.86x = 5,757.58 × 1,065.76
  4. Step 4: Simplify right side
    3,838.86x = 6,136,185.40
  5. Step 5: Solve for x
    x = 6,136,185.40/3,838.86
  6. Step 6: Final answer
    x = 1,598.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.