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Finding the Fourth Proportional to 2,406.34, 3,609.19 and 651.48

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Solution

The fourth proportional to 2,406.34, 3,609.19 and 651.48 is: 977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.34 : 3,609.19 = 651.48 : x
  2. Step 2: Convert to fraction form
    2,406.34/3,609.19 = 651.48/x
  3. Step 3: Cross multiply
    2,406.34x = 3,609.19 × 651.48
  4. Step 4: Simplify right side
    2,406.34x = 2,351,315.10
  5. Step 5: Solve for x
    x = 2,351,315.10/2,406.34
  6. Step 6: Final answer
    x = 977.13

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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.