Home / 2,431.67-3,647.45-700.29

Finding the Fourth Proportional to 2,431.67, 3,647.45 and 700.29

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Solution

The fourth proportional to 2,431.67, 3,647.45 and 700.29 is: 1,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.67 : 3,647.45 = 700.29 : x
  2. Step 2: Convert to fraction form
    2,431.67/3,647.45 = 700.29/x
  3. Step 3: Cross multiply
    2,431.67x = 3,647.45 × 700.29
  4. Step 4: Simplify right side
    2,431.67x = 2,554,269.26
  5. Step 5: Solve for x
    x = 2,554,269.26/2,431.67
  6. Step 6: Final answer
    x = 1,050.42

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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.