Home / 3,494.40-5,241.48-1,519.60

Finding the Fourth Proportional to 3,494.40, 5,241.48 and 1,519.60

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Solution

The fourth proportional to 3,494.40, 5,241.48 and 1,519.60 is: 2,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.40 : 5,241.48 = 1,519.60 : x
  2. Step 2: Convert to fraction form
    3,494.40/5,241.48 = 1,519.60/x
  3. Step 3: Cross multiply
    3,494.40x = 5,241.48 × 1,519.60
  4. Step 4: Simplify right side
    3,494.40x = 7,964,953.01
  5. Step 5: Solve for x
    x = 7,964,953.01/3,494.40
  6. Step 6: Final answer
    x = 2,279.35

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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.