Home / 2,837.94-3,911.85-2,277.42

Finding the Fourth Proportional to 2,837.94, 3,911.85 and 2,277.42

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Solution

The fourth proportional to 2,837.94, 3,911.85 and 2,277.42 is: 3,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.94 : 3,911.85 = 2,277.42 : x
  2. Step 2: Convert to fraction form
    2,837.94/3,911.85 = 2,277.42/x
  3. Step 3: Cross multiply
    2,837.94x = 3,911.85 × 2,277.42
  4. Step 4: Simplify right side
    2,837.94x = 8,908,925.43
  5. Step 5: Solve for x
    x = 8,908,925.43/2,837.94
  6. Step 6: Final answer
    x = 3,139.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.