Home / 2,819.24-4,223.39-2,077.50

Finding the Fourth Proportional to 2,819.24, 4,223.39 and 2,077.50

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Solution

The fourth proportional to 2,819.24, 4,223.39 and 2,077.50 is: 3,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.24 : 4,223.39 = 2,077.50 : x
  2. Step 2: Convert to fraction form
    2,819.24/4,223.39 = 2,077.50/x
  3. Step 3: Cross multiply
    2,819.24x = 4,223.39 × 2,077.50
  4. Step 4: Simplify right side
    2,819.24x = 8,774,082.34
  5. Step 5: Solve for x
    x = 8,774,082.34/2,819.24
  6. Step 6: Final answer
    x = 3,112.22

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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.