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Finding the Fourth Proportional to 2,407.85, 3,604.92 and 1,583.64

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Solution

The fourth proportional to 2,407.85, 3,604.92 and 1,583.64 is: 2,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.85 : 3,604.92 = 1,583.64 : x
  2. Step 2: Convert to fraction form
    2,407.85/3,604.92 = 1,583.64/x
  3. Step 3: Cross multiply
    2,407.85x = 3,604.92 × 1,583.64
  4. Step 4: Simplify right side
    2,407.85x = 5,708,895.51
  5. Step 5: Solve for x
    x = 5,708,895.51/2,407.85
  6. Step 6: Final answer
    x = 2,370.96

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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.