Home / 3,063.70-4,228.22-1,805.15

Finding the Fourth Proportional to 3,063.70, 4,228.22 and 1,805.15

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Solution

The fourth proportional to 3,063.70, 4,228.22 and 1,805.15 is: 2,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.70 : 4,228.22 = 1,805.15 : x
  2. Step 2: Convert to fraction form
    3,063.70/4,228.22 = 1,805.15/x
  3. Step 3: Cross multiply
    3,063.70x = 4,228.22 × 1,805.15
  4. Step 4: Simplify right side
    3,063.70x = 7,632,541.17
  5. Step 5: Solve for x
    x = 7,632,541.17/3,063.70
  6. Step 6: Final answer
    x = 2,491.28

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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.