Home / 3,927.67-5,417.91-2,354.85

Finding the Fourth Proportional to 3,927.67, 5,417.91 and 2,354.85

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Solution

The fourth proportional to 3,927.67, 5,417.91 and 2,354.85 is: 3,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.67 : 5,417.91 = 2,354.85 : x
  2. Step 2: Convert to fraction form
    3,927.67/5,417.91 = 2,354.85/x
  3. Step 3: Cross multiply
    3,927.67x = 5,417.91 × 2,354.85
  4. Step 4: Simplify right side
    3,927.67x = 12,758,365.36
  5. Step 5: Solve for x
    x = 12,758,365.36/3,927.67
  6. Step 6: Final answer
    x = 3,248.33

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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.