Home / 2,342.30-3,232.45-1,280.17

Finding the Fourth Proportional to 2,342.30, 3,232.45 and 1,280.17

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Solution

The fourth proportional to 2,342.30, 3,232.45 and 1,280.17 is: 1,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.30 : 3,232.45 = 1,280.17 : x
  2. Step 2: Convert to fraction form
    2,342.30/3,232.45 = 1,280.17/x
  3. Step 3: Cross multiply
    2,342.30x = 3,232.45 × 1,280.17
  4. Step 4: Simplify right side
    2,342.30x = 4,138,074.23
  5. Step 5: Solve for x
    x = 4,138,074.23/2,342.30
  6. Step 6: Final answer
    x = 1,766.67

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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.