Home / 1,146.39-1,719.59-376.89

Finding the Fourth Proportional to 1,146.39, 1,719.59 and 376.89

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Solution

The fourth proportional to 1,146.39, 1,719.59 and 376.89 is: 565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.39 : 1,719.59 = 376.89 : x
  2. Step 2: Convert to fraction form
    1,146.39/1,719.59 = 376.89/x
  3. Step 3: Cross multiply
    1,146.39x = 1,719.59 × 376.89
  4. Step 4: Simplify right side
    1,146.39x = 648,096.28
  5. Step 5: Solve for x
    x = 648,096.28/1,146.39
  6. Step 6: Final answer
    x = 565.34

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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.