Home / 2,440.59-3,367.96-1,392.63

Finding the Fourth Proportional to 2,440.59, 3,367.96 and 1,392.63

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Solution

The fourth proportional to 2,440.59, 3,367.96 and 1,392.63 is: 1,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.59 : 3,367.96 = 1,392.63 : x
  2. Step 2: Convert to fraction form
    2,440.59/3,367.96 = 1,392.63/x
  3. Step 3: Cross multiply
    2,440.59x = 3,367.96 × 1,392.63
  4. Step 4: Simplify right side
    2,440.59x = 4,690,322.13
  5. Step 5: Solve for x
    x = 4,690,322.13/2,440.59
  6. Step 6: Final answer
    x = 1,921.80

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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.