Home / 3,113.26-4,293.75-2,273.02

Finding the Fourth Proportional to 3,113.26, 4,293.75 and 2,273.02

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Solution

The fourth proportional to 3,113.26, 4,293.75 and 2,273.02 is: 3,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.26 : 4,293.75 = 2,273.02 : x
  2. Step 2: Convert to fraction form
    3,113.26/4,293.75 = 2,273.02/x
  3. Step 3: Cross multiply
    3,113.26x = 4,293.75 × 2,273.02
  4. Step 4: Simplify right side
    3,113.26x = 9,759,779.63
  5. Step 5: Solve for x
    x = 9,759,779.63/3,113.26
  6. Step 6: Final answer
    x = 3,134.91

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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.