Home / 3,111.01-4,668.28-1,650.15

Finding the Fourth Proportional to 3,111.01, 4,668.28 and 1,650.15

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Solution

The fourth proportional to 3,111.01, 4,668.28 and 1,650.15 is: 2,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.01 : 4,668.28 = 1,650.15 : x
  2. Step 2: Convert to fraction form
    3,111.01/4,668.28 = 1,650.15/x
  3. Step 3: Cross multiply
    3,111.01x = 4,668.28 × 1,650.15
  4. Step 4: Simplify right side
    3,111.01x = 7,703,358.12
  5. Step 5: Solve for x
    x = 7,703,358.12/3,111.01
  6. Step 6: Final answer
    x = 2,476.16

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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.