Home / 3,225.40-4,838.22-1,992.04

Finding the Fourth Proportional to 3,225.40, 4,838.22 and 1,992.04

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Solution

The fourth proportional to 3,225.40, 4,838.22 and 1,992.04 is: 2,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.40 : 4,838.22 = 1,992.04 : x
  2. Step 2: Convert to fraction form
    3,225.40/4,838.22 = 1,992.04/x
  3. Step 3: Cross multiply
    3,225.40x = 4,838.22 × 1,992.04
  4. Step 4: Simplify right side
    3,225.40x = 9,637,927.77
  5. Step 5: Solve for x
    x = 9,637,927.77/3,225.40
  6. Step 6: Final answer
    x = 2,988.13

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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.