Home / 2,631.07-3,630.96-1,569.37

Finding the Fourth Proportional to 2,631.07, 3,630.96 and 1,569.37

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Solution

The fourth proportional to 2,631.07, 3,630.96 and 1,569.37 is: 2,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.07 : 3,630.96 = 1,569.37 : x
  2. Step 2: Convert to fraction form
    2,631.07/3,630.96 = 1,569.37/x
  3. Step 3: Cross multiply
    2,631.07x = 3,630.96 × 1,569.37
  4. Step 4: Simplify right side
    2,631.07x = 5,698,319.70
  5. Step 5: Solve for x
    x = 5,698,319.70/2,631.07
  6. Step 6: Final answer
    x = 2,165.78

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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.