Home / 2,019.12-3,027.40-848.80

Finding the Fourth Proportional to 2,019.12, 3,027.40 and 848.80

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Solution

The fourth proportional to 2,019.12, 3,027.40 and 848.80 is: 1,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.12 : 3,027.40 = 848.80 : x
  2. Step 2: Convert to fraction form
    2,019.12/3,027.40 = 848.80/x
  3. Step 3: Cross multiply
    2,019.12x = 3,027.40 × 848.80
  4. Step 4: Simplify right side
    2,019.12x = 2,569,657.12
  5. Step 5: Solve for x
    x = 2,569,657.12/2,019.12
  6. Step 6: Final answer
    x = 1,272.66

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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.