Home / 2,957.88-4,432.74-1,107.12

Finding the Fourth Proportional to 2,957.88, 4,432.74 and 1,107.12

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Solution

The fourth proportional to 2,957.88, 4,432.74 and 1,107.12 is: 1,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.88 : 4,432.74 = 1,107.12 : x
  2. Step 2: Convert to fraction form
    2,957.88/4,432.74 = 1,107.12/x
  3. Step 3: Cross multiply
    2,957.88x = 4,432.74 × 1,107.12
  4. Step 4: Simplify right side
    2,957.88x = 4,907,575.11
  5. Step 5: Solve for x
    x = 4,907,575.11/2,957.88
  6. Step 6: Final answer
    x = 1,659.15

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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.