Home / 4,106.89-5,666.38-2,381.55

Finding the Fourth Proportional to 4,106.89, 5,666.38 and 2,381.55

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Solution

The fourth proportional to 4,106.89, 5,666.38 and 2,381.55 is: 3,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.89 : 5,666.38 = 2,381.55 : x
  2. Step 2: Convert to fraction form
    4,106.89/5,666.38 = 2,381.55/x
  3. Step 3: Cross multiply
    4,106.89x = 5,666.38 × 2,381.55
  4. Step 4: Simplify right side
    4,106.89x = 13,494,778.66
  5. Step 5: Solve for x
    x = 13,494,778.66/4,106.89
  6. Step 6: Final answer
    x = 3,285.89

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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.