Home / 3,485.90-5,224.10-1,923.57

Finding the Fourth Proportional to 3,485.90, 5,224.10 and 1,923.57

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Solution

The fourth proportional to 3,485.90, 5,224.10 and 1,923.57 is: 2,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.90 : 5,224.10 = 1,923.57 : x
  2. Step 2: Convert to fraction form
    3,485.90/5,224.10 = 1,923.57/x
  3. Step 3: Cross multiply
    3,485.90x = 5,224.10 × 1,923.57
  4. Step 4: Simplify right side
    3,485.90x = 10,048,912.42
  5. Step 5: Solve for x
    x = 10,048,912.42/3,485.90
  6. Step 6: Final answer
    x = 2,882.74

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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.