Home / 2,011.22-2,775.42-1,127

Finding the Fourth Proportional to 2,011.22, 2,775.42 and 1,127

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Solution

The fourth proportional to 2,011.22, 2,775.42 and 1,127 is: 1,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.22 : 2,775.42 = 1,127 : x
  2. Step 2: Convert to fraction form
    2,011.22/2,775.42 = 1,127/x
  3. Step 3: Cross multiply
    2,011.22x = 2,775.42 × 1,127
  4. Step 4: Simplify right side
    2,011.22x = 3,127,898.34
  5. Step 5: Solve for x
    x = 3,127,898.34/2,011.22
  6. Step 6: Final answer
    x = 1,555.22

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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.