Home / 3,203.74-4,419.93-1,876.96

Finding the Fourth Proportional to 3,203.74, 4,419.93 and 1,876.96

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Solution

The fourth proportional to 3,203.74, 4,419.93 and 1,876.96 is: 2,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.74 : 4,419.93 = 1,876.96 : x
  2. Step 2: Convert to fraction form
    3,203.74/4,419.93 = 1,876.96/x
  3. Step 3: Cross multiply
    3,203.74x = 4,419.93 × 1,876.96
  4. Step 4: Simplify right side
    3,203.74x = 8,296,031.81
  5. Step 5: Solve for x
    x = 8,296,031.81/3,203.74
  6. Step 6: Final answer
    x = 2,589.48

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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.