Home / 3,828.29-5,281.67-2,502.77

Finding the Fourth Proportional to 3,828.29, 5,281.67 and 2,502.77

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Solution

The fourth proportional to 3,828.29, 5,281.67 and 2,502.77 is: 3,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.29 : 5,281.67 = 2,502.77 : x
  2. Step 2: Convert to fraction form
    3,828.29/5,281.67 = 2,502.77/x
  3. Step 3: Cross multiply
    3,828.29x = 5,281.67 × 2,502.77
  4. Step 4: Simplify right side
    3,828.29x = 13,218,785.07
  5. Step 5: Solve for x
    x = 13,218,785.07/3,828.29
  6. Step 6: Final answer
    x = 3,452.93

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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.