Home / 3,107.25-4,659.93-1,159.20

Finding the Fourth Proportional to 3,107.25, 4,659.93 and 1,159.20

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Solution

The fourth proportional to 3,107.25, 4,659.93 and 1,159.20 is: 1,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.25 : 4,659.93 = 1,159.20 : x
  2. Step 2: Convert to fraction form
    3,107.25/4,659.93 = 1,159.20/x
  3. Step 3: Cross multiply
    3,107.25x = 4,659.93 × 1,159.20
  4. Step 4: Simplify right side
    3,107.25x = 5,401,790.86
  5. Step 5: Solve for x
    x = 5,401,790.86/3,107.25
  6. Step 6: Final answer
    x = 1,738.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.