Home / 2,427.37-3,640.45-1,040.55

Finding the Fourth Proportional to 2,427.37, 3,640.45 and 1,040.55

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Solution

The fourth proportional to 2,427.37, 3,640.45 and 1,040.55 is: 1,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.37 : 3,640.45 = 1,040.55 : x
  2. Step 2: Convert to fraction form
    2,427.37/3,640.45 = 1,040.55/x
  3. Step 3: Cross multiply
    2,427.37x = 3,640.45 × 1,040.55
  4. Step 4: Simplify right side
    2,427.37x = 3,788,046.84
  5. Step 5: Solve for x
    x = 3,788,046.84/2,427.37
  6. Step 6: Final answer
    x = 1,560.56

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1.5x scale

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.