Home / 2,440.87-3,367.31-1,445.58

Finding the Fourth Proportional to 2,440.87, 3,367.31 and 1,445.58

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Solution

The fourth proportional to 2,440.87, 3,367.31 and 1,445.58 is: 1,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.87 : 3,367.31 = 1,445.58 : x
  2. Step 2: Convert to fraction form
    2,440.87/3,367.31 = 1,445.58/x
  3. Step 3: Cross multiply
    2,440.87x = 3,367.31 × 1,445.58
  4. Step 4: Simplify right side
    2,440.87x = 4,867,708.76
  5. Step 5: Solve for x
    x = 4,867,708.76/2,440.87
  6. Step 6: Final answer
    x = 1,994.25

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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.