Home / 3,311.31-4,569.68-1,895.12

Finding the Fourth Proportional to 3,311.31, 4,569.68 and 1,895.12

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Solution

The fourth proportional to 3,311.31, 4,569.68 and 1,895.12 is: 2,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.31 : 4,569.68 = 1,895.12 : x
  2. Step 2: Convert to fraction form
    3,311.31/4,569.68 = 1,895.12/x
  3. Step 3: Cross multiply
    3,311.31x = 4,569.68 × 1,895.12
  4. Step 4: Simplify right side
    3,311.31x = 8,660,059.64
  5. Step 5: Solve for x
    x = 8,660,059.64/3,311.31
  6. Step 6: Final answer
    x = 2,615.30

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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.