Home / 3,386.05-4,678.61-2,795.56

Finding the Fourth Proportional to 3,386.05, 4,678.61 and 2,795.56

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Solution

The fourth proportional to 3,386.05, 4,678.61 and 2,795.56 is: 3,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.05 : 4,678.61 = 2,795.56 : x
  2. Step 2: Convert to fraction form
    3,386.05/4,678.61 = 2,795.56/x
  3. Step 3: Cross multiply
    3,386.05x = 4,678.61 × 2,795.56
  4. Step 4: Simplify right side
    3,386.05x = 13,079,351.34
  5. Step 5: Solve for x
    x = 13,079,351.34/3,386.05
  6. Step 6: Final answer
    x = 3,862.71

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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.