Home / 3,515.16-5,273.40-1,666.46

Finding the Fourth Proportional to 3,515.16, 5,273.40 and 1,666.46

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Solution

The fourth proportional to 3,515.16, 5,273.40 and 1,666.46 is: 2,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.16 : 5,273.40 = 1,666.46 : x
  2. Step 2: Convert to fraction form
    3,515.16/5,273.40 = 1,666.46/x
  3. Step 3: Cross multiply
    3,515.16x = 5,273.40 × 1,666.46
  4. Step 4: Simplify right side
    3,515.16x = 8,787,910.16
  5. Step 5: Solve for x
    x = 8,787,910.16/3,515.16
  6. Step 6: Final answer
    x = 2,500.00

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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.