Home / 2,239.46-3,090.65-1,295.54

Finding the Fourth Proportional to 2,239.46, 3,090.65 and 1,295.54

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Solution

The fourth proportional to 2,239.46, 3,090.65 and 1,295.54 is: 1,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.46 : 3,090.65 = 1,295.54 : x
  2. Step 2: Convert to fraction form
    2,239.46/3,090.65 = 1,295.54/x
  3. Step 3: Cross multiply
    2,239.46x = 3,090.65 × 1,295.54
  4. Step 4: Simplify right side
    2,239.46x = 4,004,038.77
  5. Step 5: Solve for x
    x = 4,004,038.77/2,239.46
  6. Step 6: Final answer
    x = 1,787.95

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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.