Home / 1,719.50-2,372.63-973.22

Finding the Fourth Proportional to 1,719.50, 2,372.63 and 973.22

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Solution

The fourth proportional to 1,719.50, 2,372.63 and 973.22 is: 1,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.50 : 2,372.63 = 973.22 : x
  2. Step 2: Convert to fraction form
    1,719.50/2,372.63 = 973.22/x
  3. Step 3: Cross multiply
    1,719.50x = 2,372.63 × 973.22
  4. Step 4: Simplify right side
    1,719.50x = 2,309,074.24
  5. Step 5: Solve for x
    x = 2,309,074.24/1,719.50
  6. Step 6: Final answer
    x = 1,342.88

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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.