Home / 3,515.80-5,273.08-1,207.30

Finding the Fourth Proportional to 3,515.80, 5,273.08 and 1,207.30

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Solution

The fourth proportional to 3,515.80, 5,273.08 and 1,207.30 is: 1,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.80 : 5,273.08 = 1,207.30 : x
  2. Step 2: Convert to fraction form
    3,515.80/5,273.08 = 1,207.30/x
  3. Step 3: Cross multiply
    3,515.80x = 5,273.08 × 1,207.30
  4. Step 4: Simplify right side
    3,515.80x = 6,366,189.48
  5. Step 5: Solve for x
    x = 6,366,189.48/3,515.80
  6. Step 6: Final answer
    x = 1,810.74

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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.