Home / 2,351.90-3,527.92-1,311.32

Finding the Fourth Proportional to 2,351.90, 3,527.92 and 1,311.32

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Solution

The fourth proportional to 2,351.90, 3,527.92 and 1,311.32 is: 1,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.90 : 3,527.92 = 1,311.32 : x
  2. Step 2: Convert to fraction form
    2,351.90/3,527.92 = 1,311.32/x
  3. Step 3: Cross multiply
    2,351.90x = 3,527.92 × 1,311.32
  4. Step 4: Simplify right side
    2,351.90x = 4,626,232.05
  5. Step 5: Solve for x
    x = 4,626,232.05/2,351.90
  6. Step 6: Final answer
    x = 1,967.02

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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.