Home / 3,520.42-5,276.37-1,440.34

Finding the Fourth Proportional to 3,520.42, 5,276.37 and 1,440.34

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Solution

The fourth proportional to 3,520.42, 5,276.37 and 1,440.34 is: 2,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.42 : 5,276.37 = 1,440.34 : x
  2. Step 2: Convert to fraction form
    3,520.42/5,276.37 = 1,440.34/x
  3. Step 3: Cross multiply
    3,520.42x = 5,276.37 × 1,440.34
  4. Step 4: Simplify right side
    3,520.42x = 7,599,766.77
  5. Step 5: Solve for x
    x = 7,599,766.77/3,520.42
  6. Step 6: Final answer
    x = 2,158.77

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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.