Home / 3,854.09-5,753.24-3,386.99

Finding the Fourth Proportional to 3,854.09, 5,753.24 and 3,386.99

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Solution

The fourth proportional to 3,854.09, 5,753.24 and 3,386.99 is: 5,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.09 : 5,753.24 = 3,386.99 : x
  2. Step 2: Convert to fraction form
    3,854.09/5,753.24 = 3,386.99/x
  3. Step 3: Cross multiply
    3,854.09x = 5,753.24 × 3,386.99
  4. Step 4: Simplify right side
    3,854.09x = 19,486,120.65
  5. Step 5: Solve for x
    x = 19,486,120.65/3,854.09
  6. Step 6: Final answer
    x = 5,055.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.