Home / 2,923.54-4,386.66-1,279.87

Finding the Fourth Proportional to 2,923.54, 4,386.66 and 1,279.87

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Solution

The fourth proportional to 2,923.54, 4,386.66 and 1,279.87 is: 1,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.54 : 4,386.66 = 1,279.87 : x
  2. Step 2: Convert to fraction form
    2,923.54/4,386.66 = 1,279.87/x
  3. Step 3: Cross multiply
    2,923.54x = 4,386.66 × 1,279.87
  4. Step 4: Simplify right side
    2,923.54x = 5,614,354.53
  5. Step 5: Solve for x
    x = 5,614,354.53/2,923.54
  6. Step 6: Final answer
    x = 1,920.40

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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.