Home / 3,317.83-4,579.05-2,142.32

Finding the Fourth Proportional to 3,317.83, 4,579.05 and 2,142.32

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Solution

The fourth proportional to 3,317.83, 4,579.05 and 2,142.32 is: 2,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.83 : 4,579.05 = 2,142.32 : x
  2. Step 2: Convert to fraction form
    3,317.83/4,579.05 = 2,142.32/x
  3. Step 3: Cross multiply
    3,317.83x = 4,579.05 × 2,142.32
  4. Step 4: Simplify right side
    3,317.83x = 9,809,790.40
  5. Step 5: Solve for x
    x = 9,809,790.40/3,317.83
  6. Step 6: Final answer
    x = 2,956.69

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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.