Home / 2,320.74-3,200.85-1,575.27

Finding the Fourth Proportional to 2,320.74, 3,200.85 and 1,575.27

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Solution

The fourth proportional to 2,320.74, 3,200.85 and 1,575.27 is: 2,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.74 : 3,200.85 = 1,575.27 : x
  2. Step 2: Convert to fraction form
    2,320.74/3,200.85 = 1,575.27/x
  3. Step 3: Cross multiply
    2,320.74x = 3,200.85 × 1,575.27
  4. Step 4: Simplify right side
    2,320.74x = 5,042,202.98
  5. Step 5: Solve for x
    x = 5,042,202.98/2,320.74
  6. Step 6: Final answer
    x = 2,172.67

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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.