Home / 3,077.73-4,617.81-1,130.09

Finding the Fourth Proportional to 3,077.73, 4,617.81 and 1,130.09

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Solution

The fourth proportional to 3,077.73, 4,617.81 and 1,130.09 is: 1,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.73 : 4,617.81 = 1,130.09 : x
  2. Step 2: Convert to fraction form
    3,077.73/4,617.81 = 1,130.09/x
  3. Step 3: Cross multiply
    3,077.73x = 4,617.81 × 1,130.09
  4. Step 4: Simplify right side
    3,077.73x = 5,218,517.81
  5. Step 5: Solve for x
    x = 5,218,517.81/3,077.73
  6. Step 6: Final answer
    x = 1,695.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.