Home / 1,433.62-1,979.96-1,154.77

Finding the Fourth Proportional to 1,433.62, 1,979.96 and 1,154.77

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Solution

The fourth proportional to 1,433.62, 1,979.96 and 1,154.77 is: 1,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.62 : 1,979.96 = 1,154.77 : x
  2. Step 2: Convert to fraction form
    1,433.62/1,979.96 = 1,154.77/x
  3. Step 3: Cross multiply
    1,433.62x = 1,979.96 × 1,154.77
  4. Step 4: Simplify right side
    1,433.62x = 2,286,398.41
  5. Step 5: Solve for x
    x = 2,286,398.41/1,433.62
  6. Step 6: Final answer
    x = 1,594.84

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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.