Home / 3,228.66-4,847.85-1,590.84

Finding the Fourth Proportional to 3,228.66, 4,847.85 and 1,590.84

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Solution

The fourth proportional to 3,228.66, 4,847.85 and 1,590.84 is: 2,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.66 : 4,847.85 = 1,590.84 : x
  2. Step 2: Convert to fraction form
    3,228.66/4,847.85 = 1,590.84/x
  3. Step 3: Cross multiply
    3,228.66x = 4,847.85 × 1,590.84
  4. Step 4: Simplify right side
    3,228.66x = 7,712,153.69
  5. Step 5: Solve for x
    x = 7,712,153.69/3,228.66
  6. Step 6: Final answer
    x = 2,388.65

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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.