Home / 3,395.08-4,686.30-1,979.44

Finding the Fourth Proportional to 3,395.08, 4,686.30 and 1,979.44

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Solution

The fourth proportional to 3,395.08, 4,686.30 and 1,979.44 is: 2,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.08 : 4,686.30 = 1,979.44 : x
  2. Step 2: Convert to fraction form
    3,395.08/4,686.30 = 1,979.44/x
  3. Step 3: Cross multiply
    3,395.08x = 4,686.30 × 1,979.44
  4. Step 4: Simplify right side
    3,395.08x = 9,276,249.67
  5. Step 5: Solve for x
    x = 9,276,249.67/3,395.08
  6. Step 6: Final answer
    x = 2,732.26

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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.