Home / 3,319.38-4,979.49-1,566.18

Finding the Fourth Proportional to 3,319.38, 4,979.49 and 1,566.18

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Solution

The fourth proportional to 3,319.38, 4,979.49 and 1,566.18 is: 2,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.38 : 4,979.49 = 1,566.18 : x
  2. Step 2: Convert to fraction form
    3,319.38/4,979.49 = 1,566.18/x
  3. Step 3: Cross multiply
    3,319.38x = 4,979.49 × 1,566.18
  4. Step 4: Simplify right side
    3,319.38x = 7,798,777.65
  5. Step 5: Solve for x
    x = 7,798,777.65/3,319.38
  6. Step 6: Final answer
    x = 2,349.47

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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.