Home / 3,520.52-5,280.37-923.66

Finding the Fourth Proportional to 3,520.52, 5,280.37 and 923.66

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Solution

The fourth proportional to 3,520.52, 5,280.37 and 923.66 is: 1,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.52 : 5,280.37 = 923.66 : x
  2. Step 2: Convert to fraction form
    3,520.52/5,280.37 = 923.66/x
  3. Step 3: Cross multiply
    3,520.52x = 5,280.37 × 923.66
  4. Step 4: Simplify right side
    3,520.52x = 4,877,237.84
  5. Step 5: Solve for x
    x = 4,877,237.84/3,520.52
  6. Step 6: Final answer
    x = 1,385.38

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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.