Home / 2,455.96-3,680.49-2,089.30

Finding the Fourth Proportional to 2,455.96, 3,680.49 and 2,089.30

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Solution

The fourth proportional to 2,455.96, 3,680.49 and 2,089.30 is: 3,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.96 : 3,680.49 = 2,089.30 : x
  2. Step 2: Convert to fraction form
    2,455.96/3,680.49 = 2,089.30/x
  3. Step 3: Cross multiply
    2,455.96x = 3,680.49 × 2,089.30
  4. Step 4: Simplify right side
    2,455.96x = 7,689,647.76
  5. Step 5: Solve for x
    x = 7,689,647.76/2,455.96
  6. Step 6: Final answer
    x = 3,131.02

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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.