Home / 3,494.64-5,241.36-1,302.78

Finding the Fourth Proportional to 3,494.64, 5,241.36 and 1,302.78

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Solution

The fourth proportional to 3,494.64, 5,241.36 and 1,302.78 is: 1,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.64 : 5,241.36 = 1,302.78 : x
  2. Step 2: Convert to fraction form
    3,494.64/5,241.36 = 1,302.78/x
  3. Step 3: Cross multiply
    3,494.64x = 5,241.36 × 1,302.78
  4. Step 4: Simplify right side
    3,494.64x = 6,828,338.98
  5. Step 5: Solve for x
    x = 6,828,338.98/3,494.64
  6. Step 6: Final answer
    x = 1,953.95

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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.