Home / 4,120.48-6,182.24-1,929.92

Finding the Fourth Proportional to 4,120.48, 6,182.24 and 1,929.92

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Solution

The fourth proportional to 4,120.48, 6,182.24 and 1,929.92 is: 2,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.48 : 6,182.24 = 1,929.92 : x
  2. Step 2: Convert to fraction form
    4,120.48/6,182.24 = 1,929.92/x
  3. Step 3: Cross multiply
    4,120.48x = 6,182.24 × 1,929.92
  4. Step 4: Simplify right side
    4,120.48x = 11,931,228.62
  5. Step 5: Solve for x
    x = 11,931,228.62/4,120.48
  6. Step 6: Final answer
    x = 2,895.59

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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.