Home / 1,496.94-2,245.40-1,239.90

Finding the Fourth Proportional to 1,496.94, 2,245.40 and 1,239.90

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Solution

The fourth proportional to 1,496.94, 2,245.40 and 1,239.90 is: 1,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.94 : 2,245.40 = 1,239.90 : x
  2. Step 2: Convert to fraction form
    1,496.94/2,245.40 = 1,239.90/x
  3. Step 3: Cross multiply
    1,496.94x = 2,245.40 × 1,239.90
  4. Step 4: Simplify right side
    1,496.94x = 2,784,071.46
  5. Step 5: Solve for x
    x = 2,784,071.46/1,496.94
  6. Step 6: Final answer
    x = 1,859.84

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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.