Home / 2,107.29-3,158.70-1,010.95

Finding the Fourth Proportional to 2,107.29, 3,158.70 and 1,010.95

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Solution

The fourth proportional to 2,107.29, 3,158.70 and 1,010.95 is: 1,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.29 : 3,158.70 = 1,010.95 : x
  2. Step 2: Convert to fraction form
    2,107.29/3,158.70 = 1,010.95/x
  3. Step 3: Cross multiply
    2,107.29x = 3,158.70 × 1,010.95
  4. Step 4: Simplify right side
    2,107.29x = 3,193,287.77
  5. Step 5: Solve for x
    x = 3,193,287.77/2,107.29
  6. Step 6: Final answer
    x = 1,515.35

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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.