Home / 1,402.74-2,101.44-1,173.09

Finding the Fourth Proportional to 1,402.74, 2,101.44 and 1,173.09

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Solution

The fourth proportional to 1,402.74, 2,101.44 and 1,173.09 is: 1,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.74 : 2,101.44 = 1,173.09 : x
  2. Step 2: Convert to fraction form
    1,402.74/2,101.44 = 1,173.09/x
  3. Step 3: Cross multiply
    1,402.74x = 2,101.44 × 1,173.09
  4. Step 4: Simplify right side
    1,402.74x = 2,465,178.25
  5. Step 5: Solve for x
    x = 2,465,178.25/1,402.74
  6. Step 6: Final answer
    x = 1,757.40

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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.