Home / 2,982.48-4,451.90-2,765.64

Finding the Fourth Proportional to 2,982.48, 4,451.90 and 2,765.64

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Solution

The fourth proportional to 2,982.48, 4,451.90 and 2,765.64 is: 4,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.48 : 4,451.90 = 2,765.64 : x
  2. Step 2: Convert to fraction form
    2,982.48/4,451.90 = 2,765.64/x
  3. Step 3: Cross multiply
    2,982.48x = 4,451.90 × 2,765.64
  4. Step 4: Simplify right side
    2,982.48x = 12,312,352.72
  5. Step 5: Solve for x
    x = 12,312,352.72/2,982.48
  6. Step 6: Final answer
    x = 4,128.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.