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Finding the Fourth Proportional to 1,773.36, 2,642.22 and 1,674

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Solution

The fourth proportional to 1,773.36, 2,642.22 and 1,674 is: 2,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.36 : 2,642.22 = 1,674 : x
  2. Step 2: Convert to fraction form
    1,773.36/2,642.22 = 1,674/x
  3. Step 3: Cross multiply
    1,773.36x = 2,642.22 × 1,674
  4. Step 4: Simplify right side
    1,773.36x = 4,423,076.28
  5. Step 5: Solve for x
    x = 4,423,076.28/1,773.36
  6. Step 6: Final answer
    x = 2,494.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.