Home / 2,765.94-3,818.40-1,822.35

Finding the Fourth Proportional to 2,765.94, 3,818.40 and 1,822.35

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Solution

The fourth proportional to 2,765.94, 3,818.40 and 1,822.35 is: 2,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.94 : 3,818.40 = 1,822.35 : x
  2. Step 2: Convert to fraction form
    2,765.94/3,818.40 = 1,822.35/x
  3. Step 3: Cross multiply
    2,765.94x = 3,818.40 × 1,822.35
  4. Step 4: Simplify right side
    2,765.94x = 6,958,461.24
  5. Step 5: Solve for x
    x = 6,958,461.24/2,765.94
  6. Step 6: Final answer
    x = 2,515.77

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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.