Home / 2,630.10-3,941.06-1,654.16

Finding the Fourth Proportional to 2,630.10, 3,941.06 and 1,654.16

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Solution

The fourth proportional to 2,630.10, 3,941.06 and 1,654.16 is: 2,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.10 : 3,941.06 = 1,654.16 : x
  2. Step 2: Convert to fraction form
    2,630.10/3,941.06 = 1,654.16/x
  3. Step 3: Cross multiply
    2,630.10x = 3,941.06 × 1,654.16
  4. Step 4: Simplify right side
    2,630.10x = 6,519,115.83
  5. Step 5: Solve for x
    x = 6,519,115.83/2,630.10
  6. Step 6: Final answer
    x = 2,478.66

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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.