Home / 3,319.16-4,979.52-1,859.32

Finding the Fourth Proportional to 3,319.16, 4,979.52 and 1,859.32

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Solution

The fourth proportional to 3,319.16, 4,979.52 and 1,859.32 is: 2,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.16 : 4,979.52 = 1,859.32 : x
  2. Step 2: Convert to fraction form
    3,319.16/4,979.52 = 1,859.32/x
  3. Step 3: Cross multiply
    3,319.16x = 4,979.52 × 1,859.32
  4. Step 4: Simplify right side
    3,319.16x = 9,258,521.13
  5. Step 5: Solve for x
    x = 9,258,521.13/3,319.16
  6. Step 6: Final answer
    x = 2,789.42

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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.