Home / 2,922.50-4,036.30-1,932.14

Finding the Fourth Proportional to 2,922.50, 4,036.30 and 1,932.14

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Solution

The fourth proportional to 2,922.50, 4,036.30 and 1,932.14 is: 2,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.50 : 4,036.30 = 1,932.14 : x
  2. Step 2: Convert to fraction form
    2,922.50/4,036.30 = 1,932.14/x
  3. Step 3: Cross multiply
    2,922.50x = 4,036.30 × 1,932.14
  4. Step 4: Simplify right side
    2,922.50x = 7,798,696.68
  5. Step 5: Solve for x
    x = 7,798,696.68/2,922.50
  6. Step 6: Final answer
    x = 2,668.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.