Home / 2,148.24-3,219.50-2,124.92

Finding the Fourth Proportional to 2,148.24, 3,219.50 and 2,124.92

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Solution

The fourth proportional to 2,148.24, 3,219.50 and 2,124.92 is: 3,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.24 : 3,219.50 = 2,124.92 : x
  2. Step 2: Convert to fraction form
    2,148.24/3,219.50 = 2,124.92/x
  3. Step 3: Cross multiply
    2,148.24x = 3,219.50 × 2,124.92
  4. Step 4: Simplify right side
    2,148.24x = 6,841,179.94
  5. Step 5: Solve for x
    x = 6,841,179.94/2,148.24
  6. Step 6: Final answer
    x = 3,184.55

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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.