Home / 3,114.53-4,294.75-1,995.51

Finding the Fourth Proportional to 3,114.53, 4,294.75 and 1,995.51

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Solution

The fourth proportional to 3,114.53, 4,294.75 and 1,995.51 is: 2,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.53 : 4,294.75 = 1,995.51 : x
  2. Step 2: Convert to fraction form
    3,114.53/4,294.75 = 1,995.51/x
  3. Step 3: Cross multiply
    3,114.53x = 4,294.75 × 1,995.51
  4. Step 4: Simplify right side
    3,114.53x = 8,570,216.57
  5. Step 5: Solve for x
    x = 8,570,216.57/3,114.53
  6. Step 6: Final answer
    x = 2,751.69

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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.