Home / 2,188.37-3,020.34-1,304.23

Finding the Fourth Proportional to 2,188.37, 3,020.34 and 1,304.23

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Solution

The fourth proportional to 2,188.37, 3,020.34 and 1,304.23 is: 1,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.37 : 3,020.34 = 1,304.23 : x
  2. Step 2: Convert to fraction form
    2,188.37/3,020.34 = 1,304.23/x
  3. Step 3: Cross multiply
    2,188.37x = 3,020.34 × 1,304.23
  4. Step 4: Simplify right side
    2,188.37x = 3,939,205.21
  5. Step 5: Solve for x
    x = 3,939,205.21/2,188.37
  6. Step 6: Final answer
    x = 1,800.07

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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.