Home / 2,440.96-3,368.80-1,694.72

Finding the Fourth Proportional to 2,440.96, 3,368.80 and 1,694.72

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Solution

The fourth proportional to 2,440.96, 3,368.80 and 1,694.72 is: 2,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.96 : 3,368.80 = 1,694.72 : x
  2. Step 2: Convert to fraction form
    2,440.96/3,368.80 = 1,694.72/x
  3. Step 3: Cross multiply
    2,440.96x = 3,368.80 × 1,694.72
  4. Step 4: Simplify right side
    2,440.96x = 5,709,172.74
  5. Step 5: Solve for x
    x = 5,709,172.74/2,440.96
  6. Step 6: Final answer
    x = 2,338.90

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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.