Home / 1,606.82-2,408.40-1,215.54

Finding the Fourth Proportional to 1,606.82, 2,408.40 and 1,215.54

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Solution

The fourth proportional to 1,606.82, 2,408.40 and 1,215.54 is: 1,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.82 : 2,408.40 = 1,215.54 : x
  2. Step 2: Convert to fraction form
    1,606.82/2,408.40 = 1,215.54/x
  3. Step 3: Cross multiply
    1,606.82x = 2,408.40 × 1,215.54
  4. Step 4: Simplify right side
    1,606.82x = 2,927,506.54
  5. Step 5: Solve for x
    x = 2,927,506.54/1,606.82
  6. Step 6: Final answer
    x = 1,821.93

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1.5x scale

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.