Home / 2,631.84-3,631.53-1,512.82

Finding the Fourth Proportional to 2,631.84, 3,631.53 and 1,512.82

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Solution

The fourth proportional to 2,631.84, 3,631.53 and 1,512.82 is: 2,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.84 : 3,631.53 = 1,512.82 : x
  2. Step 2: Convert to fraction form
    2,631.84/3,631.53 = 1,512.82/x
  3. Step 3: Cross multiply
    2,631.84x = 3,631.53 × 1,512.82
  4. Step 4: Simplify right side
    2,631.84x = 5,493,851.21
  5. Step 5: Solve for x
    x = 5,493,851.21/2,631.84
  6. Step 6: Final answer
    x = 2,087.46

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1.5x scale

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.