Home / 3,852.28-5,774.78-1,876.66

Finding the Fourth Proportional to 3,852.28, 5,774.78 and 1,876.66

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Solution

The fourth proportional to 3,852.28, 5,774.78 and 1,876.66 is: 2,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.28 : 5,774.78 = 1,876.66 : x
  2. Step 2: Convert to fraction form
    3,852.28/5,774.78 = 1,876.66/x
  3. Step 3: Cross multiply
    3,852.28x = 5,774.78 × 1,876.66
  4. Step 4: Simplify right side
    3,852.28x = 10,837,298.63
  5. Step 5: Solve for x
    x = 10,837,298.63/3,852.28
  6. Step 6: Final answer
    x = 2,813.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.