Home / 4,119.96-5,685.51-2,256.96

Finding the Fourth Proportional to 4,119.96, 5,685.51 and 2,256.96

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Solution

The fourth proportional to 4,119.96, 5,685.51 and 2,256.96 is: 3,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.96 : 5,685.51 = 2,256.96 : x
  2. Step 2: Convert to fraction form
    4,119.96/5,685.51 = 2,256.96/x
  3. Step 3: Cross multiply
    4,119.96x = 5,685.51 × 2,256.96
  4. Step 4: Simplify right side
    4,119.96x = 12,831,968.65
  5. Step 5: Solve for x
    x = 12,831,968.65/4,119.96
  6. Step 6: Final answer
    x = 3,114.59

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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.