Home / 3,119.91-4,684.72-2,535.69

Finding the Fourth Proportional to 3,119.91, 4,684.72 and 2,535.69

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Solution

The fourth proportional to 3,119.91, 4,684.72 and 2,535.69 is: 3,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.91 : 4,684.72 = 2,535.69 : x
  2. Step 2: Convert to fraction form
    3,119.91/4,684.72 = 2,535.69/x
  3. Step 3: Cross multiply
    3,119.91x = 4,684.72 × 2,535.69
  4. Step 4: Simplify right side
    3,119.91x = 11,878,997.66
  5. Step 5: Solve for x
    x = 11,878,997.66/3,119.91
  6. Step 6: Final answer
    x = 3,807.48

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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.