Home / 3,124.86-4,687.29-1,825.62

Finding the Fourth Proportional to 3,124.86, 4,687.29 and 1,825.62

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Solution

The fourth proportional to 3,124.86, 4,687.29 and 1,825.62 is: 2,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.86 : 4,687.29 = 1,825.62 : x
  2. Step 2: Convert to fraction form
    3,124.86/4,687.29 = 1,825.62/x
  3. Step 3: Cross multiply
    3,124.86x = 4,687.29 × 1,825.62
  4. Step 4: Simplify right side
    3,124.86x = 8,557,210.37
  5. Step 5: Solve for x
    x = 8,557,210.37/3,124.86
  6. Step 6: Final answer
    x = 2,738.43

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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.