Home / 2,849.77-4,275.94-1,809.49

Finding the Fourth Proportional to 2,849.77, 4,275.94 and 1,809.49

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Solution

The fourth proportional to 2,849.77, 4,275.94 and 1,809.49 is: 2,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.77 : 4,275.94 = 1,809.49 : x
  2. Step 2: Convert to fraction form
    2,849.77/4,275.94 = 1,809.49/x
  3. Step 3: Cross multiply
    2,849.77x = 4,275.94 × 1,809.49
  4. Step 4: Simplify right side
    2,849.77x = 7,737,259.23
  5. Step 5: Solve for x
    x = 7,737,259.23/2,849.77
  6. Step 6: Final answer
    x = 2,715.05

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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.