Home / 1,453.94-2,175.78-1,370.78

Finding the Fourth Proportional to 1,453.94, 2,175.78 and 1,370.78

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Solution

The fourth proportional to 1,453.94, 2,175.78 and 1,370.78 is: 2,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.94 : 2,175.78 = 1,370.78 : x
  2. Step 2: Convert to fraction form
    1,453.94/2,175.78 = 1,370.78/x
  3. Step 3: Cross multiply
    1,453.94x = 2,175.78 × 1,370.78
  4. Step 4: Simplify right side
    1,453.94x = 2,982,515.71
  5. Step 5: Solve for x
    x = 2,982,515.71/1,453.94
  6. Step 6: Final answer
    x = 2,051.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.