Home / 1,675.09-2,311.96-967.40

Finding the Fourth Proportional to 1,675.09, 2,311.96 and 967.40

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Solution

The fourth proportional to 1,675.09, 2,311.96 and 967.40 is: 1,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.09 : 2,311.96 = 967.40 : x
  2. Step 2: Convert to fraction form
    1,675.09/2,311.96 = 967.40/x
  3. Step 3: Cross multiply
    1,675.09x = 2,311.96 × 967.40
  4. Step 4: Simplify right side
    1,675.09x = 2,236,576.13
  5. Step 5: Solve for x
    x = 2,236,576.13/1,675.09
  6. Step 6: Final answer
    x = 1,335.20

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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.