Home / 2,272.70-3,127.47-2,011.34

Finding the Fourth Proportional to 2,272.70, 3,127.47 and 2,011.34

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Solution

The fourth proportional to 2,272.70, 3,127.47 and 2,011.34 is: 2,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.70 : 3,127.47 = 2,011.34 : x
  2. Step 2: Convert to fraction form
    2,272.70/3,127.47 = 2,011.34/x
  3. Step 3: Cross multiply
    2,272.70x = 3,127.47 × 2,011.34
  4. Step 4: Simplify right side
    2,272.70x = 6,290,405.51
  5. Step 5: Solve for x
    x = 6,290,405.51/2,272.70
  6. Step 6: Final answer
    x = 2,767.81

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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.