Home / 3,523.70-5,285.15-926.84

Finding the Fourth Proportional to 3,523.70, 5,285.15 and 926.84

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Solution

The fourth proportional to 3,523.70, 5,285.15 and 926.84 is: 1,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.70 : 5,285.15 = 926.84 : x
  2. Step 2: Convert to fraction form
    3,523.70/5,285.15 = 926.84/x
  3. Step 3: Cross multiply
    3,523.70x = 5,285.15 × 926.84
  4. Step 4: Simplify right side
    3,523.70x = 4,898,500.48
  5. Step 5: Solve for x
    x = 4,898,500.48/3,523.70
  6. Step 6: Final answer
    x = 1,390.16

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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.