Home / 2,009.18-3,015.40-1,035.56

Finding the Fourth Proportional to 2,009.18, 3,015.40 and 1,035.56

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Solution

The fourth proportional to 2,009.18, 3,015.40 and 1,035.56 is: 1,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.18 : 3,015.40 = 1,035.56 : x
  2. Step 2: Convert to fraction form
    2,009.18/3,015.40 = 1,035.56/x
  3. Step 3: Cross multiply
    2,009.18x = 3,015.40 × 1,035.56
  4. Step 4: Simplify right side
    2,009.18x = 3,122,627.62
  5. Step 5: Solve for x
    x = 3,122,627.62/2,009.18
  6. Step 6: Final answer
    x = 1,554.18

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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.