Home / 2,330.78-3,492.45-1,866.11

Finding the Fourth Proportional to 2,330.78, 3,492.45 and 1,866.11

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Solution

The fourth proportional to 2,330.78, 3,492.45 and 1,866.11 is: 2,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.78 : 3,492.45 = 1,866.11 : x
  2. Step 2: Convert to fraction form
    2,330.78/3,492.45 = 1,866.11/x
  3. Step 3: Cross multiply
    2,330.78x = 3,492.45 × 1,866.11
  4. Step 4: Simplify right side
    2,330.78x = 6,517,278.41
  5. Step 5: Solve for x
    x = 6,517,278.41/2,330.78
  6. Step 6: Final answer
    x = 2,796.19

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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.