Home / 3,848.35-5,310.69-2,079.94

Finding the Fourth Proportional to 3,848.35, 5,310.69 and 2,079.94

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Solution

The fourth proportional to 3,848.35, 5,310.69 and 2,079.94 is: 2,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.35 : 5,310.69 = 2,079.94 : x
  2. Step 2: Convert to fraction form
    3,848.35/5,310.69 = 2,079.94/x
  3. Step 3: Cross multiply
    3,848.35x = 5,310.69 × 2,079.94
  4. Step 4: Simplify right side
    3,848.35x = 11,045,916.56
  5. Step 5: Solve for x
    x = 11,045,916.56/3,848.35
  6. Step 6: Final answer
    x = 2,870.30

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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.