Home / 3,877.84-5,351.70-2,284.57

Finding the Fourth Proportional to 3,877.84, 5,351.70 and 2,284.57

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Solution

The fourth proportional to 3,877.84, 5,351.70 and 2,284.57 is: 3,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.84 : 5,351.70 = 2,284.57 : x
  2. Step 2: Convert to fraction form
    3,877.84/5,351.70 = 2,284.57/x
  3. Step 3: Cross multiply
    3,877.84x = 5,351.70 × 2,284.57
  4. Step 4: Simplify right side
    3,877.84x = 12,226,333.27
  5. Step 5: Solve for x
    x = 12,226,333.27/3,877.84
  6. Step 6: Final answer
    x = 3,152.87

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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.