Home / 3,005.20-4,146.58-2,285.92

Finding the Fourth Proportional to 3,005.20, 4,146.58 and 2,285.92

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Solution

The fourth proportional to 3,005.20, 4,146.58 and 2,285.92 is: 3,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.20 : 4,146.58 = 2,285.92 : x
  2. Step 2: Convert to fraction form
    3,005.20/4,146.58 = 2,285.92/x
  3. Step 3: Cross multiply
    3,005.20x = 4,146.58 × 2,285.92
  4. Step 4: Simplify right side
    3,005.20x = 9,478,750.15
  5. Step 5: Solve for x
    x = 9,478,750.15/3,005.20
  6. Step 6: Final answer
    x = 3,154.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.