Home / 1,184.94-1,765.56-1,055.61

Finding the Fourth Proportional to 1,184.94, 1,765.56 and 1,055.61

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Solution

The fourth proportional to 1,184.94, 1,765.56 and 1,055.61 is: 1,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.94 : 1,765.56 = 1,055.61 : x
  2. Step 2: Convert to fraction form
    1,184.94/1,765.56 = 1,055.61/x
  3. Step 3: Cross multiply
    1,184.94x = 1,765.56 × 1,055.61
  4. Step 4: Simplify right side
    1,184.94x = 1,863,742.79
  5. Step 5: Solve for x
    x = 1,863,742.79/1,184.94
  6. Step 6: Final answer
    x = 1,572.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.