Home / 3,830.89-5,281.77-2,502.49

Finding the Fourth Proportional to 3,830.89, 5,281.77 and 2,502.49

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Solution

The fourth proportional to 3,830.89, 5,281.77 and 2,502.49 is: 3,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.89 : 5,281.77 = 2,502.49 : x
  2. Step 2: Convert to fraction form
    3,830.89/5,281.77 = 2,502.49/x
  3. Step 3: Cross multiply
    3,830.89x = 5,281.77 × 2,502.49
  4. Step 4: Simplify right side
    3,830.89x = 13,217,576.61
  5. Step 5: Solve for x
    x = 13,217,576.61/3,830.89
  6. Step 6: Final answer
    x = 3,450.26

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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.