Home / 3,513.04-5,270.25-1,047.80

Finding the Fourth Proportional to 3,513.04, 5,270.25 and 1,047.80

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Solution

The fourth proportional to 3,513.04, 5,270.25 and 1,047.80 is: 1,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.04 : 5,270.25 = 1,047.80 : x
  2. Step 2: Convert to fraction form
    3,513.04/5,270.25 = 1,047.80/x
  3. Step 3: Cross multiply
    3,513.04x = 5,270.25 × 1,047.80
  4. Step 4: Simplify right side
    3,513.04x = 5,522,179.16
  5. Step 5: Solve for x
    x = 5,522,179.16/3,513.04
  6. Step 6: Final answer
    x = 1,571.91

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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.