Home / 2,923.20-4,385.52-2,059.20

Finding the Fourth Proportional to 2,923.20, 4,385.52 and 2,059.20

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Solution

The fourth proportional to 2,923.20, 4,385.52 and 2,059.20 is: 3,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.20 : 4,385.52 = 2,059.20 : x
  2. Step 2: Convert to fraction form
    2,923.20/4,385.52 = 2,059.20/x
  3. Step 3: Cross multiply
    2,923.20x = 4,385.52 × 2,059.20
  4. Step 4: Simplify right side
    2,923.20x = 9,030,662.78
  5. Step 5: Solve for x
    x = 9,030,662.78/2,923.20
  6. Step 6: Final answer
    x = 3,089.31

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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.