Home / 3,107.52-4,659.84-1,627.20

Finding the Fourth Proportional to 3,107.52, 4,659.84 and 1,627.20

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Solution

The fourth proportional to 3,107.52, 4,659.84 and 1,627.20 is: 2,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.52 : 4,659.84 = 1,627.20 : x
  2. Step 2: Convert to fraction form
    3,107.52/4,659.84 = 1,627.20/x
  3. Step 3: Cross multiply
    3,107.52x = 4,659.84 × 1,627.20
  4. Step 4: Simplify right side
    3,107.52x = 7,582,491.65
  5. Step 5: Solve for x
    x = 7,582,491.65/3,107.52
  6. Step 6: Final answer
    x = 2,440.05

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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.