Home / 1,779.64-2,665.35-1,232.21

Finding the Fourth Proportional to 1,779.64, 2,665.35 and 1,232.21

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Solution

The fourth proportional to 1,779.64, 2,665.35 and 1,232.21 is: 1,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.64 : 2,665.35 = 1,232.21 : x
  2. Step 2: Convert to fraction form
    1,779.64/2,665.35 = 1,232.21/x
  3. Step 3: Cross multiply
    1,779.64x = 2,665.35 × 1,232.21
  4. Step 4: Simplify right side
    1,779.64x = 3,284,257.60
  5. Step 5: Solve for x
    x = 3,284,257.60/1,779.64
  6. Step 6: Final answer
    x = 1,845.47

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1.5x scale

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.