Home / 2,747.85-4,123.70-1,017.93

Finding the Fourth Proportional to 2,747.85, 4,123.70 and 1,017.93

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Solution

The fourth proportional to 2,747.85, 4,123.70 and 1,017.93 is: 1,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.85 : 4,123.70 = 1,017.93 : x
  2. Step 2: Convert to fraction form
    2,747.85/4,123.70 = 1,017.93/x
  3. Step 3: Cross multiply
    2,747.85x = 4,123.70 × 1,017.93
  4. Step 4: Simplify right side
    2,747.85x = 4,197,637.94
  5. Step 5: Solve for x
    x = 4,197,637.94/2,747.85
  6. Step 6: Final answer
    x = 1,527.61

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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.