Home / 3,013.56-4,153.86-2,127.96

Finding the Fourth Proportional to 3,013.56, 4,153.86 and 2,127.96

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Solution

The fourth proportional to 3,013.56, 4,153.86 and 2,127.96 is: 2,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.56 : 4,153.86 = 2,127.96 : x
  2. Step 2: Convert to fraction form
    3,013.56/4,153.86 = 2,127.96/x
  3. Step 3: Cross multiply
    3,013.56x = 4,153.86 × 2,127.96
  4. Step 4: Simplify right side
    3,013.56x = 8,839,247.93
  5. Step 5: Solve for x
    x = 8,839,247.93/3,013.56
  6. Step 6: Final answer
    x = 2,933.16

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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.