Home / 3,461.98-5,194.80-1,515.55

Finding the Fourth Proportional to 3,461.98, 5,194.80 and 1,515.55

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Solution

The fourth proportional to 3,461.98, 5,194.80 and 1,515.55 is: 2,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.98 : 5,194.80 = 1,515.55 : x
  2. Step 2: Convert to fraction form
    3,461.98/5,194.80 = 1,515.55/x
  3. Step 3: Cross multiply
    3,461.98x = 5,194.80 × 1,515.55
  4. Step 4: Simplify right side
    3,461.98x = 7,872,979.14
  5. Step 5: Solve for x
    x = 7,872,979.14/3,461.98
  6. Step 6: Final answer
    x = 2,274.13

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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.