Home / 1,146.13-1,719.39-376.63

Finding the Fourth Proportional to 1,146.13, 1,719.39 and 376.63

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Solution

The fourth proportional to 1,146.13, 1,719.39 and 376.63 is: 565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.13 : 1,719.39 = 376.63 : x
  2. Step 2: Convert to fraction form
    1,146.13/1,719.39 = 376.63/x
  3. Step 3: Cross multiply
    1,146.13x = 1,719.39 × 376.63
  4. Step 4: Simplify right side
    1,146.13x = 647,573.86
  5. Step 5: Solve for x
    x = 647,573.86/1,146.13
  6. Step 6: Final answer
    x = 565.01

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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.