Home / 2,012.80-3,017.36-1,492.17

Finding the Fourth Proportional to 2,012.80, 3,017.36 and 1,492.17

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Solution

The fourth proportional to 2,012.80, 3,017.36 and 1,492.17 is: 2,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.80 : 3,017.36 = 1,492.17 : x
  2. Step 2: Convert to fraction form
    2,012.80/3,017.36 = 1,492.17/x
  3. Step 3: Cross multiply
    2,012.80x = 3,017.36 × 1,492.17
  4. Step 4: Simplify right side
    2,012.80x = 4,502,414.07
  5. Step 5: Solve for x
    x = 4,502,414.07/2,012.80
  6. Step 6: Final answer
    x = 2,236.89

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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.