Home / 2,431.74-3,648.69-1,246.62

Finding the Fourth Proportional to 2,431.74, 3,648.69 and 1,246.62

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Solution

The fourth proportional to 2,431.74, 3,648.69 and 1,246.62 is: 1,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.74 : 3,648.69 = 1,246.62 : x
  2. Step 2: Convert to fraction form
    2,431.74/3,648.69 = 1,246.62/x
  3. Step 3: Cross multiply
    2,431.74x = 3,648.69 × 1,246.62
  4. Step 4: Simplify right side
    2,431.74x = 4,548,529.93
  5. Step 5: Solve for x
    x = 4,548,529.93/2,431.74
  6. Step 6: Final answer
    x = 1,870.48

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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.