Home / 3,120.15-4,304.44-2,056.55

Finding the Fourth Proportional to 3,120.15, 4,304.44 and 2,056.55

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Solution

The fourth proportional to 3,120.15, 4,304.44 and 2,056.55 is: 2,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.15 : 4,304.44 = 2,056.55 : x
  2. Step 2: Convert to fraction form
    3,120.15/4,304.44 = 2,056.55/x
  3. Step 3: Cross multiply
    3,120.15x = 4,304.44 × 2,056.55
  4. Step 4: Simplify right side
    3,120.15x = 8,852,289.24
  5. Step 5: Solve for x
    x = 8,852,289.24/3,120.15
  6. Step 6: Final answer
    x = 2,837.14

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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.