Home / 3,345.60-5,003.82-1,955.64

Finding the Fourth Proportional to 3,345.60, 5,003.82 and 1,955.64

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Solution

The fourth proportional to 3,345.60, 5,003.82 and 1,955.64 is: 2,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.60 : 5,003.82 = 1,955.64 : x
  2. Step 2: Convert to fraction form
    3,345.60/5,003.82 = 1,955.64/x
  3. Step 3: Cross multiply
    3,345.60x = 5,003.82 × 1,955.64
  4. Step 4: Simplify right side
    3,345.60x = 9,785,670.54
  5. Step 5: Solve for x
    x = 9,785,670.54/3,345.60
  6. Step 6: Final answer
    x = 2,924.94

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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.