Home / 1,729.23-2,591.15-948.57

Finding the Fourth Proportional to 1,729.23, 2,591.15 and 948.57

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Solution

The fourth proportional to 1,729.23, 2,591.15 and 948.57 is: 1,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.23 : 2,591.15 = 948.57 : x
  2. Step 2: Convert to fraction form
    1,729.23/2,591.15 = 948.57/x
  3. Step 3: Cross multiply
    1,729.23x = 2,591.15 × 948.57
  4. Step 4: Simplify right side
    1,729.23x = 2,457,882.41
  5. Step 5: Solve for x
    x = 2,457,882.41/1,729.23
  6. Step 6: Final answer
    x = 1,421.37

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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.