Home / 2,149.88-3,225.50-1,492.40

Finding the Fourth Proportional to 2,149.88, 3,225.50 and 1,492.40

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Solution

The fourth proportional to 2,149.88, 3,225.50 and 1,492.40 is: 2,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.88 : 3,225.50 = 1,492.40 : x
  2. Step 2: Convert to fraction form
    2,149.88/3,225.50 = 1,492.40/x
  3. Step 3: Cross multiply
    2,149.88x = 3,225.50 × 1,492.40
  4. Step 4: Simplify right side
    2,149.88x = 4,813,747.99
  5. Step 5: Solve for x
    x = 4,813,747.99/2,149.88
  6. Step 6: Final answer
    x = 2,239.07

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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.