Home / 3,063.40-4,227.37-1,666.15

Finding the Fourth Proportional to 3,063.40, 4,227.37 and 1,666.15

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Solution

The fourth proportional to 3,063.40, 4,227.37 and 1,666.15 is: 2,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.40 : 4,227.37 = 1,666.15 : x
  2. Step 2: Convert to fraction form
    3,063.40/4,227.37 = 1,666.15/x
  3. Step 3: Cross multiply
    3,063.40x = 4,227.37 × 1,666.15
  4. Step 4: Simplify right side
    3,063.40x = 7,043,432.53
  5. Step 5: Solve for x
    x = 7,043,432.53/3,063.40
  6. Step 6: Final answer
    x = 2,299.22

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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.