Home / 3,285.91-4,526.78-2,289.41

Finding the Fourth Proportional to 3,285.91, 4,526.78 and 2,289.41

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Solution

The fourth proportional to 3,285.91, 4,526.78 and 2,289.41 is: 3,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.91 : 4,526.78 = 2,289.41 : x
  2. Step 2: Convert to fraction form
    3,285.91/4,526.78 = 2,289.41/x
  3. Step 3: Cross multiply
    3,285.91x = 4,526.78 × 2,289.41
  4. Step 4: Simplify right side
    3,285.91x = 10,363,621.32
  5. Step 5: Solve for x
    x = 10,363,621.32/3,285.91
  6. Step 6: Final answer
    x = 3,153.96

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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.