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Finding the Fourth Proportional to 2,680, 3,698.48 and 1,501.08

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Solution

The fourth proportional to 2,680, 3,698.48 and 1,501.08 is: 2,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680 : 3,698.48 = 1,501.08 : x
  2. Step 2: Convert to fraction form
    2,680/3,698.48 = 1,501.08/x
  3. Step 3: Cross multiply
    2,680x = 3,698.48 × 1,501.08
  4. Step 4: Simplify right side
    2,680x = 5,551,714.36
  5. Step 5: Solve for x
    x = 5,551,714.36/2,680
  6. Step 6: Final answer
    x = 2,071.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.