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Finding the Fourth Proportional to 2,305.92, 3,458.40 and 662.10

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Solution

The fourth proportional to 2,305.92, 3,458.40 and 662.10 is: 993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.92 : 3,458.40 = 662.10 : x
  2. Step 2: Convert to fraction form
    2,305.92/3,458.40 = 662.10/x
  3. Step 3: Cross multiply
    2,305.92x = 3,458.40 × 662.10
  4. Step 4: Simplify right side
    2,305.92x = 2,289,806.64
  5. Step 5: Solve for x
    x = 2,289,806.64/2,305.92
  6. Step 6: Final answer
    x = 993.01

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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.