Home / 4,038.57-6,045.17-2,781.80

Finding the Fourth Proportional to 4,038.57, 6,045.17 and 2,781.80

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Solution

The fourth proportional to 4,038.57, 6,045.17 and 2,781.80 is: 4,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.57 : 6,045.17 = 2,781.80 : x
  2. Step 2: Convert to fraction form
    4,038.57/6,045.17 = 2,781.80/x
  3. Step 3: Cross multiply
    4,038.57x = 6,045.17 × 2,781.80
  4. Step 4: Simplify right side
    4,038.57x = 16,816,409.77
  5. Step 5: Solve for x
    x = 16,816,409.77/4,038.57
  6. Step 6: Final answer
    x = 4,163.95

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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.