Home / 2,684.15-4,026.50-928.93

Finding the Fourth Proportional to 2,684.15, 4,026.50 and 928.93

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Solution

The fourth proportional to 2,684.15, 4,026.50 and 928.93 is: 1,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.15 : 4,026.50 = 928.93 : x
  2. Step 2: Convert to fraction form
    2,684.15/4,026.50 = 928.93/x
  3. Step 3: Cross multiply
    2,684.15x = 4,026.50 × 928.93
  4. Step 4: Simplify right side
    2,684.15x = 3,740,311.87
  5. Step 5: Solve for x
    x = 3,740,311.87/2,684.15
  6. Step 6: Final answer
    x = 1,393.48

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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.