Home / 3,339.36-5,010.30-1,492.20

Finding the Fourth Proportional to 3,339.36, 5,010.30 and 1,492.20

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Solution

The fourth proportional to 3,339.36, 5,010.30 and 1,492.20 is: 2,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.36 : 5,010.30 = 1,492.20 : x
  2. Step 2: Convert to fraction form
    3,339.36/5,010.30 = 1,492.20/x
  3. Step 3: Cross multiply
    3,339.36x = 5,010.30 × 1,492.20
  4. Step 4: Simplify right side
    3,339.36x = 7,476,369.66
  5. Step 5: Solve for x
    x = 7,476,369.66/3,339.36
  6. Step 6: Final answer
    x = 2,238.86

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1.5x scale

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.