Home / 3,515.80-5,273.70-3,353.80

Finding the Fourth Proportional to 3,515.80, 5,273.70 and 3,353.80

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Solution

The fourth proportional to 3,515.80, 5,273.70 and 3,353.80 is: 5,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.80 : 5,273.70 = 3,353.80 : x
  2. Step 2: Convert to fraction form
    3,515.80/5,273.70 = 3,353.80/x
  3. Step 3: Cross multiply
    3,515.80x = 5,273.70 × 3,353.80
  4. Step 4: Simplify right side
    3,515.80x = 17,686,935.06
  5. Step 5: Solve for x
    x = 17,686,935.06/3,515.80
  6. Step 6: Final answer
    x = 5,030.70

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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.