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Finding the Fourth Proportional to 1,719.44, 2,372.86 and 973.38

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Solution

The fourth proportional to 1,719.44, 2,372.86 and 973.38 is: 1,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.44 : 2,372.86 = 973.38 : x
  2. Step 2: Convert to fraction form
    1,719.44/2,372.86 = 973.38/x
  3. Step 3: Cross multiply
    1,719.44x = 2,372.86 × 973.38
  4. Step 4: Simplify right side
    1,719.44x = 2,309,704.58
  5. Step 5: Solve for x
    x = 2,309,704.58/1,719.44
  6. Step 6: Final answer
    x = 1,343.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.