Home / 1,492.11-2,232.99-1,181.34

Finding the Fourth Proportional to 1,492.11, 2,232.99 and 1,181.34

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Solution

The fourth proportional to 1,492.11, 2,232.99 and 1,181.34 is: 1,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.11 : 2,232.99 = 1,181.34 : x
  2. Step 2: Convert to fraction form
    1,492.11/2,232.99 = 1,181.34/x
  3. Step 3: Cross multiply
    1,492.11x = 2,232.99 × 1,181.34
  4. Step 4: Simplify right side
    1,492.11x = 2,637,920.41
  5. Step 5: Solve for x
    x = 2,637,920.41/1,492.11
  6. Step 6: Final answer
    x = 1,767.91

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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.