Home / 1,672.26-2,308.05-964.14

Finding the Fourth Proportional to 1,672.26, 2,308.05 and 964.14

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Solution

The fourth proportional to 1,672.26, 2,308.05 and 964.14 is: 1,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.26 : 2,308.05 = 964.14 : x
  2. Step 2: Convert to fraction form
    1,672.26/2,308.05 = 964.14/x
  3. Step 3: Cross multiply
    1,672.26x = 2,308.05 × 964.14
  4. Step 4: Simplify right side
    1,672.26x = 2,225,283.33
  5. Step 5: Solve for x
    x = 2,225,283.33/1,672.26
  6. Step 6: Final answer
    x = 1,330.70

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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.