Home / 2,192.18-3,289.17-1,316.36

Finding the Fourth Proportional to 2,192.18, 3,289.17 and 1,316.36

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Solution

The fourth proportional to 2,192.18, 3,289.17 and 1,316.36 is: 1,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.18 : 3,289.17 = 1,316.36 : x
  2. Step 2: Convert to fraction form
    2,192.18/3,289.17 = 1,316.36/x
  3. Step 3: Cross multiply
    2,192.18x = 3,289.17 × 1,316.36
  4. Step 4: Simplify right side
    2,192.18x = 4,329,715.38
  5. Step 5: Solve for x
    x = 4,329,715.38/2,192.18
  6. Step 6: Final answer
    x = 1,975.08

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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.