Home / 1,817.20-2,724.18-1,511.56

Finding the Fourth Proportional to 1,817.20, 2,724.18 and 1,511.56

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Solution

The fourth proportional to 1,817.20, 2,724.18 and 1,511.56 is: 2,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.20 : 2,724.18 = 1,511.56 : x
  2. Step 2: Convert to fraction form
    1,817.20/2,724.18 = 1,511.56/x
  3. Step 3: Cross multiply
    1,817.20x = 2,724.18 × 1,511.56
  4. Step 4: Simplify right side
    1,817.20x = 4,117,761.52
  5. Step 5: Solve for x
    x = 4,117,761.52/1,817.20
  6. Step 6: Final answer
    x = 2,265.99

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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.