Home / 2,009.80-3,014.70-1,025.65

Finding the Fourth Proportional to 2,009.80, 3,014.70 and 1,025.65

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Solution

The fourth proportional to 2,009.80, 3,014.70 and 1,025.65 is: 1,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.80 : 3,014.70 = 1,025.65 : x
  2. Step 2: Convert to fraction form
    2,009.80/3,014.70 = 1,025.65/x
  3. Step 3: Cross multiply
    2,009.80x = 3,014.70 × 1,025.65
  4. Step 4: Simplify right side
    2,009.80x = 3,092,027.06
  5. Step 5: Solve for x
    x = 3,092,027.06/2,009.80
  6. Step 6: Final answer
    x = 1,538.48

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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.