Home / 4,119.60-5,685.04-2,256.56

Finding the Fourth Proportional to 4,119.60, 5,685.04 and 2,256.56

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Solution

The fourth proportional to 4,119.60, 5,685.04 and 2,256.56 is: 3,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.60 : 5,685.04 = 2,256.56 : x
  2. Step 2: Convert to fraction form
    4,119.60/5,685.04 = 2,256.56/x
  3. Step 3: Cross multiply
    4,119.60x = 5,685.04 × 2,256.56
  4. Step 4: Simplify right side
    4,119.60x = 12,828,633.86
  5. Step 5: Solve for x
    x = 12,828,633.86/4,119.60
  6. Step 6: Final answer
    x = 3,114.05

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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.