Home / 1,785.37-2,676.90-964.23

Finding the Fourth Proportional to 1,785.37, 2,676.90 and 964.23

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Solution

The fourth proportional to 1,785.37, 2,676.90 and 964.23 is: 1,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.37 : 2,676.90 = 964.23 : x
  2. Step 2: Convert to fraction form
    1,785.37/2,676.90 = 964.23/x
  3. Step 3: Cross multiply
    1,785.37x = 2,676.90 × 964.23
  4. Step 4: Simplify right side
    1,785.37x = 2,581,147.29
  5. Step 5: Solve for x
    x = 2,581,147.29/1,785.37
  6. Step 6: Final answer
    x = 1,445.72

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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.