Home / 2,061-2,844.36-1,129.68

Finding the Fourth Proportional to 2,061, 2,844.36 and 1,129.68

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Solution

The fourth proportional to 2,061, 2,844.36 and 1,129.68 is: 1,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061 : 2,844.36 = 1,129.68 : x
  2. Step 2: Convert to fraction form
    2,061/2,844.36 = 1,129.68/x
  3. Step 3: Cross multiply
    2,061x = 2,844.36 × 1,129.68
  4. Step 4: Simplify right side
    2,061x = 3,213,216.60
  5. Step 5: Solve for x
    x = 3,213,216.60/2,061
  6. Step 6: Final answer
    x = 1,559.06

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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.