Home / 2,038.11-3,059.19-942.72

Finding the Fourth Proportional to 2,038.11, 3,059.19 and 942.72

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Solution

The fourth proportional to 2,038.11, 3,059.19 and 942.72 is: 1,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.11 : 3,059.19 = 942.72 : x
  2. Step 2: Convert to fraction form
    2,038.11/3,059.19 = 942.72/x
  3. Step 3: Cross multiply
    2,038.11x = 3,059.19 × 942.72
  4. Step 4: Simplify right side
    2,038.11x = 2,883,959.60
  5. Step 5: Solve for x
    x = 2,883,959.60/2,038.11
  6. Step 6: Final answer
    x = 1,415.02

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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.