Home / 3,335.64-5,003.52-1,690.20

Finding the Fourth Proportional to 3,335.64, 5,003.52 and 1,690.20

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Solution

The fourth proportional to 3,335.64, 5,003.52 and 1,690.20 is: 2,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.64 : 5,003.52 = 1,690.20 : x
  2. Step 2: Convert to fraction form
    3,335.64/5,003.52 = 1,690.20/x
  3. Step 3: Cross multiply
    3,335.64x = 5,003.52 × 1,690.20
  4. Step 4: Simplify right side
    3,335.64x = 8,456,949.50
  5. Step 5: Solve for x
    x = 8,456,949.50/3,335.64
  6. Step 6: Final answer
    x = 2,535.33

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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.