Home / 2,431.58-3,647.34-700.20

Finding the Fourth Proportional to 2,431.58, 3,647.34 and 700.20

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Solution

The fourth proportional to 2,431.58, 3,647.34 and 700.20 is: 1,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.58 : 3,647.34 = 700.20 : x
  2. Step 2: Convert to fraction form
    2,431.58/3,647.34 = 700.20/x
  3. Step 3: Cross multiply
    2,431.58x = 3,647.34 × 700.20
  4. Step 4: Simplify right side
    2,431.58x = 2,553,867.47
  5. Step 5: Solve for x
    x = 2,553,867.47/2,431.58
  6. Step 6: Final answer
    x = 1,050.29

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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.