Home / 2,035.31-2,807.78-1,195.75

Finding the Fourth Proportional to 2,035.31, 2,807.78 and 1,195.75

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Solution

The fourth proportional to 2,035.31, 2,807.78 and 1,195.75 is: 1,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.31 : 2,807.78 = 1,195.75 : x
  2. Step 2: Convert to fraction form
    2,035.31/2,807.78 = 1,195.75/x
  3. Step 3: Cross multiply
    2,035.31x = 2,807.78 × 1,195.75
  4. Step 4: Simplify right side
    2,035.31x = 3,357,398.90
  5. Step 5: Solve for x
    x = 3,357,398.90/2,035.31
  6. Step 6: Final answer
    x = 1,649.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.