Home / 2,923.05-4,385.49-2,230.50

Finding the Fourth Proportional to 2,923.05, 4,385.49 and 2,230.50

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Solution

The fourth proportional to 2,923.05, 4,385.49 and 2,230.50 is: 3,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.05 : 4,385.49 = 2,230.50 : x
  2. Step 2: Convert to fraction form
    2,923.05/4,385.49 = 2,230.50/x
  3. Step 3: Cross multiply
    2,923.05x = 4,385.49 × 2,230.50
  4. Step 4: Simplify right side
    2,923.05x = 9,781,835.45
  5. Step 5: Solve for x
    x = 9,781,835.45/2,923.05
  6. Step 6: Final answer
    x = 3,346.45

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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.