Home / 2,277.79-3,400.70-1,927.57

Finding the Fourth Proportional to 2,277.79, 3,400.70 and 1,927.57

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Solution

The fourth proportional to 2,277.79, 3,400.70 and 1,927.57 is: 2,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.79 : 3,400.70 = 1,927.57 : x
  2. Step 2: Convert to fraction form
    2,277.79/3,400.70 = 1,927.57/x
  3. Step 3: Cross multiply
    2,277.79x = 3,400.70 × 1,927.57
  4. Step 4: Simplify right side
    2,277.79x = 6,555,083.62
  5. Step 5: Solve for x
    x = 6,555,083.62/2,277.79
  6. Step 6: Final answer
    x = 2,877.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.