Home / 2,440.60-3,665.44-1,271.41

Finding the Fourth Proportional to 2,440.60, 3,665.44 and 1,271.41

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Solution

The fourth proportional to 2,440.60, 3,665.44 and 1,271.41 is: 1,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.60 : 3,665.44 = 1,271.41 : x
  2. Step 2: Convert to fraction form
    2,440.60/3,665.44 = 1,271.41/x
  3. Step 3: Cross multiply
    2,440.60x = 3,665.44 × 1,271.41
  4. Step 4: Simplify right side
    2,440.60x = 4,660,282.96
  5. Step 5: Solve for x
    x = 4,660,282.96/2,440.60
  6. Step 6: Final answer
    x = 1,909.48

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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.