Home / 3,038.25-4,192.68-1,711.88

Finding the Fourth Proportional to 3,038.25, 4,192.68 and 1,711.88

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Solution

The fourth proportional to 3,038.25, 4,192.68 and 1,711.88 is: 2,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.25 : 4,192.68 = 1,711.88 : x
  2. Step 2: Convert to fraction form
    3,038.25/4,192.68 = 1,711.88/x
  3. Step 3: Cross multiply
    3,038.25x = 4,192.68 × 1,711.88
  4. Step 4: Simplify right side
    3,038.25x = 7,177,344.08
  5. Step 5: Solve for x
    x = 7,177,344.08/3,038.25
  6. Step 6: Final answer
    x = 2,362.33

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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.