Home / 3,345.53-4,997.95-2,165.92

Finding the Fourth Proportional to 3,345.53, 4,997.95 and 2,165.92

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Solution

The fourth proportional to 3,345.53, 4,997.95 and 2,165.92 is: 3,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.53 : 4,997.95 = 2,165.92 : x
  2. Step 2: Convert to fraction form
    3,345.53/4,997.95 = 2,165.92/x
  3. Step 3: Cross multiply
    3,345.53x = 4,997.95 × 2,165.92
  4. Step 4: Simplify right side
    3,345.53x = 10,825,159.86
  5. Step 5: Solve for x
    x = 10,825,159.86/3,345.53
  6. Step 6: Final answer
    x = 3,235.71

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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.