Home / 2,849.81-4,275.05-1,206.14

Finding the Fourth Proportional to 2,849.81, 4,275.05 and 1,206.14

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Solution

The fourth proportional to 2,849.81, 4,275.05 and 1,206.14 is: 1,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.81 : 4,275.05 = 1,206.14 : x
  2. Step 2: Convert to fraction form
    2,849.81/4,275.05 = 1,206.14/x
  3. Step 3: Cross multiply
    2,849.81x = 4,275.05 × 1,206.14
  4. Step 4: Simplify right side
    2,849.81x = 5,156,315.63
  5. Step 5: Solve for x
    x = 5,156,315.63/2,849.81
  6. Step 6: Final answer
    x = 1,809.36

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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.