Home / 3,440.06-5,157.62-2,782.74

Finding the Fourth Proportional to 3,440.06, 5,157.62 and 2,782.74

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Solution

The fourth proportional to 3,440.06, 5,157.62 and 2,782.74 is: 4,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.06 : 5,157.62 = 2,782.74 : x
  2. Step 2: Convert to fraction form
    3,440.06/5,157.62 = 2,782.74/x
  3. Step 3: Cross multiply
    3,440.06x = 5,157.62 × 2,782.74
  4. Step 4: Simplify right side
    3,440.06x = 14,352,315.48
  5. Step 5: Solve for x
    x = 14,352,315.48/3,440.06
  6. Step 6: Final answer
    x = 4,172.11

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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.