Home / 3,345.36-4,997.69-2,165.75

Finding the Fourth Proportional to 3,345.36, 4,997.69 and 2,165.75

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Solution

The fourth proportional to 3,345.36, 4,997.69 and 2,165.75 is: 3,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.36 : 4,997.69 = 2,165.75 : x
  2. Step 2: Convert to fraction form
    3,345.36/4,997.69 = 2,165.75/x
  3. Step 3: Cross multiply
    3,345.36x = 4,997.69 × 2,165.75
  4. Step 4: Simplify right side
    3,345.36x = 10,823,732.75
  5. Step 5: Solve for x
    x = 10,823,732.75/3,345.36
  6. Step 6: Final answer
    x = 3,235.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.