Home / 3,116.14-4,301.16-2,123.08

Finding the Fourth Proportional to 3,116.14, 4,301.16 and 2,123.08

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Solution

The fourth proportional to 3,116.14, 4,301.16 and 2,123.08 is: 2,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.14 : 4,301.16 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    3,116.14/4,301.16 = 2,123.08/x
  3. Step 3: Cross multiply
    3,116.14x = 4,301.16 × 2,123.08
  4. Step 4: Simplify right side
    3,116.14x = 9,131,706.77
  5. Step 5: Solve for x
    x = 9,131,706.77/3,116.14
  6. Step 6: Final answer
    x = 2,930.45

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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.