Home / 2,011.28-2,775.24-1,127

Finding the Fourth Proportional to 2,011.28, 2,775.24 and 1,127

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Solution

The fourth proportional to 2,011.28, 2,775.24 and 1,127 is: 1,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.28 : 2,775.24 = 1,127 : x
  2. Step 2: Convert to fraction form
    2,011.28/2,775.24 = 1,127/x
  3. Step 3: Cross multiply
    2,011.28x = 2,775.24 × 1,127
  4. Step 4: Simplify right side
    2,011.28x = 3,127,695.48
  5. Step 5: Solve for x
    x = 3,127,695.48/2,011.28
  6. Step 6: Final answer
    x = 1,555.08

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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.