Home / 3,830.91-5,282.77-3,607.68

Finding the Fourth Proportional to 3,830.91, 5,282.77 and 3,607.68

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Solution

The fourth proportional to 3,830.91, 5,282.77 and 3,607.68 is: 4,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.91 : 5,282.77 = 3,607.68 : x
  2. Step 2: Convert to fraction form
    3,830.91/5,282.77 = 3,607.68/x
  3. Step 3: Cross multiply
    3,830.91x = 5,282.77 × 3,607.68
  4. Step 4: Simplify right side
    3,830.91x = 19,058,543.67
  5. Step 5: Solve for x
    x = 19,058,543.67/3,830.91
  6. Step 6: Final answer
    x = 4,974.94

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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.