Home / 3,628.23-5,442.83-1,779.41

Finding the Fourth Proportional to 3,628.23, 5,442.83 and 1,779.41

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Solution

The fourth proportional to 3,628.23, 5,442.83 and 1,779.41 is: 2,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.23 : 5,442.83 = 1,779.41 : x
  2. Step 2: Convert to fraction form
    3,628.23/5,442.83 = 1,779.41/x
  3. Step 3: Cross multiply
    3,628.23x = 5,442.83 × 1,779.41
  4. Step 4: Simplify right side
    3,628.23x = 9,684,990.02
  5. Step 5: Solve for x
    x = 9,684,990.02/3,628.23
  6. Step 6: Final answer
    x = 2,669.34

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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.