Home / 2,263.55-3,120.42-1,589.30

Finding the Fourth Proportional to 2,263.55, 3,120.42 and 1,589.30

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Solution

The fourth proportional to 2,263.55, 3,120.42 and 1,589.30 is: 2,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.55 : 3,120.42 = 1,589.30 : x
  2. Step 2: Convert to fraction form
    2,263.55/3,120.42 = 1,589.30/x
  3. Step 3: Cross multiply
    2,263.55x = 3,120.42 × 1,589.30
  4. Step 4: Simplify right side
    2,263.55x = 4,959,259.96
  5. Step 5: Solve for x
    x = 4,959,259.96/2,263.55
  6. Step 6: Final answer
    x = 2,190.93

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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.