Home / 2,320.46-3,202.26-1,272.50

Finding the Fourth Proportional to 2,320.46, 3,202.26 and 1,272.50

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Solution

The fourth proportional to 2,320.46, 3,202.26 and 1,272.50 is: 1,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.46 : 3,202.26 = 1,272.50 : x
  2. Step 2: Convert to fraction form
    2,320.46/3,202.26 = 1,272.50/x
  3. Step 3: Cross multiply
    2,320.46x = 3,202.26 × 1,272.50
  4. Step 4: Simplify right side
    2,320.46x = 4,074,875.85
  5. Step 5: Solve for x
    x = 4,074,875.85/2,320.46
  6. Step 6: Final answer
    x = 1,756.06

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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.