Home / 3,419.70-5,118.58-1,773.98

Finding the Fourth Proportional to 3,419.70, 5,118.58 and 1,773.98

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Solution

The fourth proportional to 3,419.70, 5,118.58 and 1,773.98 is: 2,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.70 : 5,118.58 = 1,773.98 : x
  2. Step 2: Convert to fraction form
    3,419.70/5,118.58 = 1,773.98/x
  3. Step 3: Cross multiply
    3,419.70x = 5,118.58 × 1,773.98
  4. Step 4: Simplify right side
    3,419.70x = 9,080,258.55
  5. Step 5: Solve for x
    x = 9,080,258.55/3,419.70
  6. Step 6: Final answer
    x = 2,655.28

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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.