Home / 2,726.60-4,090.70-1,266.98

Finding the Fourth Proportional to 2,726.60, 4,090.70 and 1,266.98

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Solution

The fourth proportional to 2,726.60, 4,090.70 and 1,266.98 is: 1,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.60 : 4,090.70 = 1,266.98 : x
  2. Step 2: Convert to fraction form
    2,726.60/4,090.70 = 1,266.98/x
  3. Step 3: Cross multiply
    2,726.60x = 4,090.70 × 1,266.98
  4. Step 4: Simplify right side
    2,726.60x = 5,182,817.80
  5. Step 5: Solve for x
    x = 5,182,817.80/2,726.60
  6. Step 6: Final answer
    x = 1,900.84

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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.