Home / 1,929.88-2,896.22-1,492.23

Finding the Fourth Proportional to 1,929.88, 2,896.22 and 1,492.23

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Solution

The fourth proportional to 1,929.88, 2,896.22 and 1,492.23 is: 2,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.88 : 2,896.22 = 1,492.23 : x
  2. Step 2: Convert to fraction form
    1,929.88/2,896.22 = 1,492.23/x
  3. Step 3: Cross multiply
    1,929.88x = 2,896.22 × 1,492.23
  4. Step 4: Simplify right side
    1,929.88x = 4,321,826.37
  5. Step 5: Solve for x
    x = 4,321,826.37/1,929.88
  6. Step 6: Final answer
    x = 2,239.43

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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.