Home / 2,440.35-3,367.38-1,445.40

Finding the Fourth Proportional to 2,440.35, 3,367.38 and 1,445.40

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Solution

The fourth proportional to 2,440.35, 3,367.38 and 1,445.40 is: 1,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.35 : 3,367.38 = 1,445.40 : x
  2. Step 2: Convert to fraction form
    2,440.35/3,367.38 = 1,445.40/x
  3. Step 3: Cross multiply
    2,440.35x = 3,367.38 × 1,445.40
  4. Step 4: Simplify right side
    2,440.35x = 4,867,211.05
  5. Step 5: Solve for x
    x = 4,867,211.05/2,440.35
  6. Step 6: Final answer
    x = 1,994.47

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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.