Home / 1,450.58-2,165.36-1,275.42

Finding the Fourth Proportional to 1,450.58, 2,165.36 and 1,275.42

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Solution

The fourth proportional to 1,450.58, 2,165.36 and 1,275.42 is: 1,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.58 : 2,165.36 = 1,275.42 : x
  2. Step 2: Convert to fraction form
    1,450.58/2,165.36 = 1,275.42/x
  3. Step 3: Cross multiply
    1,450.58x = 2,165.36 × 1,275.42
  4. Step 4: Simplify right side
    1,450.58x = 2,761,743.45
  5. Step 5: Solve for x
    x = 2,761,743.45/1,450.58
  6. Step 6: Final answer
    x = 1,903.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.