Home / 3,515.56-5,274.14-1,207.08

Finding the Fourth Proportional to 3,515.56, 5,274.14 and 1,207.08

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Solution

The fourth proportional to 3,515.56, 5,274.14 and 1,207.08 is: 1,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.56 : 5,274.14 = 1,207.08 : x
  2. Step 2: Convert to fraction form
    3,515.56/5,274.14 = 1,207.08/x
  3. Step 3: Cross multiply
    3,515.56x = 5,274.14 × 1,207.08
  4. Step 4: Simplify right side
    3,515.56x = 6,366,308.91
  5. Step 5: Solve for x
    x = 6,366,308.91/3,515.56
  6. Step 6: Final answer
    x = 1,810.89

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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.