Home / 2,431.74-3,647.61-1,132.50

Finding the Fourth Proportional to 2,431.74, 3,647.61 and 1,132.50

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Solution

The fourth proportional to 2,431.74, 3,647.61 and 1,132.50 is: 1,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.74 : 3,647.61 = 1,132.50 : x
  2. Step 2: Convert to fraction form
    2,431.74/3,647.61 = 1,132.50/x
  3. Step 3: Cross multiply
    2,431.74x = 3,647.61 × 1,132.50
  4. Step 4: Simplify right side
    2,431.74x = 4,130,918.33
  5. Step 5: Solve for x
    x = 4,130,918.33/2,431.74
  6. Step 6: Final answer
    x = 1,698.75

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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.