Home / 2,673.48-4,009.60-1,285.95

Finding the Fourth Proportional to 2,673.48, 4,009.60 and 1,285.95

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Solution

The fourth proportional to 2,673.48, 4,009.60 and 1,285.95 is: 1,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.48 : 4,009.60 = 1,285.95 : x
  2. Step 2: Convert to fraction form
    2,673.48/4,009.60 = 1,285.95/x
  3. Step 3: Cross multiply
    2,673.48x = 4,009.60 × 1,285.95
  4. Step 4: Simplify right side
    2,673.48x = 5,156,145.12
  5. Step 5: Solve for x
    x = 5,156,145.12/2,673.48
  6. Step 6: Final answer
    x = 1,928.63

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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.