Home / 2,188.01-3,019.46-1,303.85

Finding the Fourth Proportional to 2,188.01, 3,019.46 and 1,303.85

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Solution

The fourth proportional to 2,188.01, 3,019.46 and 1,303.85 is: 1,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.01 : 3,019.46 = 1,303.85 : x
  2. Step 2: Convert to fraction form
    2,188.01/3,019.46 = 1,303.85/x
  3. Step 3: Cross multiply
    2,188.01x = 3,019.46 × 1,303.85
  4. Step 4: Simplify right side
    2,188.01x = 3,936,923.95
  5. Step 5: Solve for x
    x = 3,936,923.95/2,188.01
  6. Step 6: Final answer
    x = 1,799.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.