Home / 2,009.48-3,014.35-1,280.48

Finding the Fourth Proportional to 2,009.48, 3,014.35 and 1,280.48

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Solution

The fourth proportional to 2,009.48, 3,014.35 and 1,280.48 is: 1,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.48 : 3,014.35 = 1,280.48 : x
  2. Step 2: Convert to fraction form
    2,009.48/3,014.35 = 1,280.48/x
  3. Step 3: Cross multiply
    2,009.48x = 3,014.35 × 1,280.48
  4. Step 4: Simplify right side
    2,009.48x = 3,859,796.62
  5. Step 5: Solve for x
    x = 3,859,796.62/2,009.48
  6. Step 6: Final answer
    x = 1,920.80

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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.