Home / 3,113.23-4,669.80-1,264.30

Finding the Fourth Proportional to 3,113.23, 4,669.80 and 1,264.30

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Solution

The fourth proportional to 3,113.23, 4,669.80 and 1,264.30 is: 1,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.23 : 4,669.80 = 1,264.30 : x
  2. Step 2: Convert to fraction form
    3,113.23/4,669.80 = 1,264.30/x
  3. Step 3: Cross multiply
    3,113.23x = 4,669.80 × 1,264.30
  4. Step 4: Simplify right side
    3,113.23x = 5,904,028.14
  5. Step 5: Solve for x
    x = 5,904,028.14/3,113.23
  6. Step 6: Final answer
    x = 1,896.43

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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.