Home / 2,687.03-3,708.28-1,492.15

Finding the Fourth Proportional to 2,687.03, 3,708.28 and 1,492.15

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Solution

The fourth proportional to 2,687.03, 3,708.28 and 1,492.15 is: 2,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.03 : 3,708.28 = 1,492.15 : x
  2. Step 2: Convert to fraction form
    2,687.03/3,708.28 = 1,492.15/x
  3. Step 3: Cross multiply
    2,687.03x = 3,708.28 × 1,492.15
  4. Step 4: Simplify right side
    2,687.03x = 5,533,305.35
  5. Step 5: Solve for x
    x = 5,533,305.35/2,687.03
  6. Step 6: Final answer
    x = 2,059.27

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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.