Home / 3,461.07-5,192.42-1,121.07

Finding the Fourth Proportional to 3,461.07, 5,192.42 and 1,121.07

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Solution

The fourth proportional to 3,461.07, 5,192.42 and 1,121.07 is: 1,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.07 : 5,192.42 = 1,121.07 : x
  2. Step 2: Convert to fraction form
    3,461.07/5,192.42 = 1,121.07/x
  3. Step 3: Cross multiply
    3,461.07x = 5,192.42 × 1,121.07
  4. Step 4: Simplify right side
    3,461.07x = 5,821,066.29
  5. Step 5: Solve for x
    x = 5,821,066.29/3,461.07
  6. Step 6: Final answer
    x = 1,681.87

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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.