Home / 2,971.14-4,101.57-2,690.34

Finding the Fourth Proportional to 2,971.14, 4,101.57 and 2,690.34

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Solution

The fourth proportional to 2,971.14, 4,101.57 and 2,690.34 is: 3,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.14 : 4,101.57 = 2,690.34 : x
  2. Step 2: Convert to fraction form
    2,971.14/4,101.57 = 2,690.34/x
  3. Step 3: Cross multiply
    2,971.14x = 4,101.57 × 2,690.34
  4. Step 4: Simplify right side
    2,971.14x = 11,034,617.83
  5. Step 5: Solve for x
    x = 11,034,617.83/2,971.14
  6. Step 6: Final answer
    x = 3,713.93

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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.