Home / 2,440.48-3,367.90-1,445.39

Finding the Fourth Proportional to 2,440.48, 3,367.90 and 1,445.39

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Solution

The fourth proportional to 2,440.48, 3,367.90 and 1,445.39 is: 1,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.48 : 3,367.90 = 1,445.39 : x
  2. Step 2: Convert to fraction form
    2,440.48/3,367.90 = 1,445.39/x
  3. Step 3: Cross multiply
    2,440.48x = 3,367.90 × 1,445.39
  4. Step 4: Simplify right side
    2,440.48x = 4,867,928.98
  5. Step 5: Solve for x
    x = 4,867,928.98/2,440.48
  6. Step 6: Final answer
    x = 1,994.66

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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.