Home / 2,911.26-4,366.17-1,815.06

Finding the Fourth Proportional to 2,911.26, 4,366.17 and 1,815.06

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Solution

The fourth proportional to 2,911.26, 4,366.17 and 1,815.06 is: 2,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.26 : 4,366.17 = 1,815.06 : x
  2. Step 2: Convert to fraction form
    2,911.26/4,366.17 = 1,815.06/x
  3. Step 3: Cross multiply
    2,911.26x = 4,366.17 × 1,815.06
  4. Step 4: Simplify right side
    2,911.26x = 7,924,860.52
  5. Step 5: Solve for x
    x = 7,924,860.52/2,911.26
  6. Step 6: Final answer
    x = 2,722.14

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1.5x scale

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.