Home / 2,787.07-3,842.98-2,227.16

Finding the Fourth Proportional to 2,787.07, 3,842.98 and 2,227.16

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Solution

The fourth proportional to 2,787.07, 3,842.98 and 2,227.16 is: 3,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.07 : 3,842.98 = 2,227.16 : x
  2. Step 2: Convert to fraction form
    2,787.07/3,842.98 = 2,227.16/x
  3. Step 3: Cross multiply
    2,787.07x = 3,842.98 × 2,227.16
  4. Step 4: Simplify right side
    2,787.07x = 8,558,900.99
  5. Step 5: Solve for x
    x = 8,558,900.99/2,787.07
  6. Step 6: Final answer
    x = 3,070.93

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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.