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Finding the Fourth Proportional to 2,239.32, 3,358.98 and 700.68

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Solution

The fourth proportional to 2,239.32, 3,358.98 and 700.68 is: 1,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.32 : 3,358.98 = 700.68 : x
  2. Step 2: Convert to fraction form
    2,239.32/3,358.98 = 700.68/x
  3. Step 3: Cross multiply
    2,239.32x = 3,358.98 × 700.68
  4. Step 4: Simplify right side
    2,239.32x = 2,353,570.11
  5. Step 5: Solve for x
    x = 2,353,570.11/2,239.32
  6. Step 6: Final answer
    x = 1,051.02

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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.