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Finding the Fourth Proportional to 2,311.68, 3,467.56 and 580.26

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Solution

The fourth proportional to 2,311.68, 3,467.56 and 580.26 is: 870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.68 : 3,467.56 = 580.26 : x
  2. Step 2: Convert to fraction form
    2,311.68/3,467.56 = 580.26/x
  3. Step 3: Cross multiply
    2,311.68x = 3,467.56 × 580.26
  4. Step 4: Simplify right side
    2,311.68x = 2,012,086.37
  5. Step 5: Solve for x
    x = 2,012,086.37/2,311.68
  6. Step 6: Final answer
    x = 870.40

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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.