Home / 2,631.93-3,631.63-1,512.63

Finding the Fourth Proportional to 2,631.93, 3,631.63 and 1,512.63

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Solution

The fourth proportional to 2,631.93, 3,631.63 and 1,512.63 is: 2,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.93 : 3,631.63 = 1,512.63 : x
  2. Step 2: Convert to fraction form
    2,631.93/3,631.63 = 1,512.63/x
  3. Step 3: Cross multiply
    2,631.93x = 3,631.63 × 1,512.63
  4. Step 4: Simplify right side
    2,631.93x = 5,493,308.71
  5. Step 5: Solve for x
    x = 5,493,308.71/2,631.93
  6. Step 6: Final answer
    x = 2,087.18

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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.