Home / 1,605.62-2,212.52-1,045.46

Finding the Fourth Proportional to 1,605.62, 2,212.52 and 1,045.46

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Solution

The fourth proportional to 1,605.62, 2,212.52 and 1,045.46 is: 1,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.62 : 2,212.52 = 1,045.46 : x
  2. Step 2: Convert to fraction form
    1,605.62/2,212.52 = 1,045.46/x
  3. Step 3: Cross multiply
    1,605.62x = 2,212.52 × 1,045.46
  4. Step 4: Simplify right side
    1,605.62x = 2,313,101.16
  5. Step 5: Solve for x
    x = 2,313,101.16/1,605.62
  6. Step 6: Final answer
    x = 1,440.63

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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.