Home / 3,308.80-4,958.70-1,666.48

Finding the Fourth Proportional to 3,308.80, 4,958.70 and 1,666.48

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Solution

The fourth proportional to 3,308.80, 4,958.70 and 1,666.48 is: 2,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.80 : 4,958.70 = 1,666.48 : x
  2. Step 2: Convert to fraction form
    3,308.80/4,958.70 = 1,666.48/x
  3. Step 3: Cross multiply
    3,308.80x = 4,958.70 × 1,666.48
  4. Step 4: Simplify right side
    3,308.80x = 8,263,574.38
  5. Step 5: Solve for x
    x = 8,263,574.38/3,308.80
  6. Step 6: Final answer
    x = 2,497.45

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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.