Home / 3,110.10-4,292.67-1,932.06

Finding the Fourth Proportional to 3,110.10, 4,292.67 and 1,932.06

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Solution

The fourth proportional to 3,110.10, 4,292.67 and 1,932.06 is: 2,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.10 : 4,292.67 = 1,932.06 : x
  2. Step 2: Convert to fraction form
    3,110.10/4,292.67 = 1,932.06/x
  3. Step 3: Cross multiply
    3,110.10x = 4,292.67 × 1,932.06
  4. Step 4: Simplify right side
    3,110.10x = 8,293,696.00
  5. Step 5: Solve for x
    x = 8,293,696.00/3,110.10
  6. Step 6: Final answer
    x = 2,666.70

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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.