Home / 3,192.84-4,788.98-1,112.30

Finding the Fourth Proportional to 3,192.84, 4,788.98 and 1,112.30

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Solution

The fourth proportional to 3,192.84, 4,788.98 and 1,112.30 is: 1,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.84 : 4,788.98 = 1,112.30 : x
  2. Step 2: Convert to fraction form
    3,192.84/4,788.98 = 1,112.30/x
  3. Step 3: Cross multiply
    3,192.84x = 4,788.98 × 1,112.30
  4. Step 4: Simplify right side
    3,192.84x = 5,326,782.45
  5. Step 5: Solve for x
    x = 5,326,782.45/3,192.84
  6. Step 6: Final answer
    x = 1,668.35

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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.