Home / 1,492.39-2,061.96-1,180.04

Finding the Fourth Proportional to 1,492.39, 2,061.96 and 1,180.04

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Solution

The fourth proportional to 1,492.39, 2,061.96 and 1,180.04 is: 1,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.39 : 2,061.96 = 1,180.04 : x
  2. Step 2: Convert to fraction form
    1,492.39/2,061.96 = 1,180.04/x
  3. Step 3: Cross multiply
    1,492.39x = 2,061.96 × 1,180.04
  4. Step 4: Simplify right side
    1,492.39x = 2,433,195.28
  5. Step 5: Solve for x
    x = 2,433,195.28/1,492.39
  6. Step 6: Final answer
    x = 1,630.40

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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.