Home / 3,520.36-5,280.18-923.08

Finding the Fourth Proportional to 3,520.36, 5,280.18 and 923.08

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Solution

The fourth proportional to 3,520.36, 5,280.18 and 923.08 is: 1,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.36 : 5,280.18 = 923.08 : x
  2. Step 2: Convert to fraction form
    3,520.36/5,280.18 = 923.08/x
  3. Step 3: Cross multiply
    3,520.36x = 5,280.18 × 923.08
  4. Step 4: Simplify right side
    3,520.36x = 4,874,028.55
  5. Step 5: Solve for x
    x = 4,874,028.55/3,520.36
  6. Step 6: Final answer
    x = 1,384.53

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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.