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Finding the Fourth Proportional to 2,873.44, 4,310.58 and 926.08

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Solution

The fourth proportional to 2,873.44, 4,310.58 and 926.08 is: 1,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.44 : 4,310.58 = 926.08 : x
  2. Step 2: Convert to fraction form
    2,873.44/4,310.58 = 926.08/x
  3. Step 3: Cross multiply
    2,873.44x = 4,310.58 × 926.08
  4. Step 4: Simplify right side
    2,873.44x = 3,991,941.93
  5. Step 5: Solve for x
    x = 3,991,941.93/2,873.44
  6. Step 6: Final answer
    x = 1,389.26

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1.5x scale

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.