Home / 3,124.91-4,698.20-2,512.86

Finding the Fourth Proportional to 3,124.91, 4,698.20 and 2,512.86

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Solution

The fourth proportional to 3,124.91, 4,698.20 and 2,512.86 is: 3,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.91 : 4,698.20 = 2,512.86 : x
  2. Step 2: Convert to fraction form
    3,124.91/4,698.20 = 2,512.86/x
  3. Step 3: Cross multiply
    3,124.91x = 4,698.20 × 2,512.86
  4. Step 4: Simplify right side
    3,124.91x = 11,805,907.52
  5. Step 5: Solve for x
    x = 11,805,907.52/3,124.91
  6. Step 6: Final answer
    x = 3,778.00

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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.