Home / 3,113.12-4,669.64-1,264.22

Finding the Fourth Proportional to 3,113.12, 4,669.64 and 1,264.22

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Solution

The fourth proportional to 3,113.12, 4,669.64 and 1,264.22 is: 1,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.12 : 4,669.64 = 1,264.22 : x
  2. Step 2: Convert to fraction form
    3,113.12/4,669.64 = 1,264.22/x
  3. Step 3: Cross multiply
    3,113.12x = 4,669.64 × 1,264.22
  4. Step 4: Simplify right side
    3,113.12x = 5,903,452.28
  5. Step 5: Solve for x
    x = 5,903,452.28/3,113.12
  6. Step 6: Final answer
    x = 1,896.31

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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.