Home / 3,118.77-4,304.64-2,002.35

Finding the Fourth Proportional to 3,118.77, 4,304.64 and 2,002.35

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Solution

The fourth proportional to 3,118.77, 4,304.64 and 2,002.35 is: 2,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.77 : 4,304.64 = 2,002.35 : x
  2. Step 2: Convert to fraction form
    3,118.77/4,304.64 = 2,002.35/x
  3. Step 3: Cross multiply
    3,118.77x = 4,304.64 × 2,002.35
  4. Step 4: Simplify right side
    3,118.77x = 8,619,419.56
  5. Step 5: Solve for x
    x = 8,619,419.56/3,118.77
  6. Step 6: Final answer
    x = 2,763.72

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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.