Home / 3,155.42-4,732.83-1,377.27

Finding the Fourth Proportional to 3,155.42, 4,732.83 and 1,377.27

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Solution

The fourth proportional to 3,155.42, 4,732.83 and 1,377.27 is: 2,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.42 : 4,732.83 = 1,377.27 : x
  2. Step 2: Convert to fraction form
    3,155.42/4,732.83 = 1,377.27/x
  3. Step 3: Cross multiply
    3,155.42x = 4,732.83 × 1,377.27
  4. Step 4: Simplify right side
    3,155.42x = 6,518,384.77
  5. Step 5: Solve for x
    x = 6,518,384.77/3,155.42
  6. Step 6: Final answer
    x = 2,065.77

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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.