Home / 3,838.03-5,756.58-1,205.42

Finding the Fourth Proportional to 3,838.03, 5,756.58 and 1,205.42

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Solution

The fourth proportional to 3,838.03, 5,756.58 and 1,205.42 is: 1,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.03 : 5,756.58 = 1,205.42 : x
  2. Step 2: Convert to fraction form
    3,838.03/5,756.58 = 1,205.42/x
  3. Step 3: Cross multiply
    3,838.03x = 5,756.58 × 1,205.42
  4. Step 4: Simplify right side
    3,838.03x = 6,939,111.06
  5. Step 5: Solve for x
    x = 6,939,111.06/3,838.03
  6. Step 6: Final answer
    x = 1,807.99

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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.