Home / 1,540.84-2,313.60-1,490.98

Finding the Fourth Proportional to 1,540.84, 2,313.60 and 1,490.98

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Solution

The fourth proportional to 1,540.84, 2,313.60 and 1,490.98 is: 2,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.84 : 2,313.60 = 1,490.98 : x
  2. Step 2: Convert to fraction form
    1,540.84/2,313.60 = 1,490.98/x
  3. Step 3: Cross multiply
    1,540.84x = 2,313.60 × 1,490.98
  4. Step 4: Simplify right side
    1,540.84x = 3,449,531.33
  5. Step 5: Solve for x
    x = 3,449,531.33/1,540.84
  6. Step 6: Final answer
    x = 2,238.73

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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.