Home / 3,560.03-4,915.15-3,186.36

Finding the Fourth Proportional to 3,560.03, 4,915.15 and 3,186.36

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Solution

The fourth proportional to 3,560.03, 4,915.15 and 3,186.36 is: 4,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.03 : 4,915.15 = 3,186.36 : x
  2. Step 2: Convert to fraction form
    3,560.03/4,915.15 = 3,186.36/x
  3. Step 3: Cross multiply
    3,560.03x = 4,915.15 × 3,186.36
  4. Step 4: Simplify right side
    3,560.03x = 15,661,437.35
  5. Step 5: Solve for x
    x = 15,661,437.35/3,560.03
  6. Step 6: Final answer
    x = 4,399.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.