Home / 3,719.15-5,132.38-2,017.63

Finding the Fourth Proportional to 3,719.15, 5,132.38 and 2,017.63

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Solution

The fourth proportional to 3,719.15, 5,132.38 and 2,017.63 is: 2,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.15 : 5,132.38 = 2,017.63 : x
  2. Step 2: Convert to fraction form
    3,719.15/5,132.38 = 2,017.63/x
  3. Step 3: Cross multiply
    3,719.15x = 5,132.38 × 2,017.63
  4. Step 4: Simplify right side
    3,719.15x = 10,355,243.86
  5. Step 5: Solve for x
    x = 10,355,243.86/3,719.15
  6. Step 6: Final answer
    x = 2,784.30

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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.