Home / 3,027.60-4,176.99-1,980.26

Finding the Fourth Proportional to 3,027.60, 4,176.99 and 1,980.26

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Solution

The fourth proportional to 3,027.60, 4,176.99 and 1,980.26 is: 2,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.60 : 4,176.99 = 1,980.26 : x
  2. Step 2: Convert to fraction form
    3,027.60/4,176.99 = 1,980.26/x
  3. Step 3: Cross multiply
    3,027.60x = 4,176.99 × 1,980.26
  4. Step 4: Simplify right side
    3,027.60x = 8,271,526.22
  5. Step 5: Solve for x
    x = 8,271,526.22/3,027.60
  6. Step 6: Final answer
    x = 2,732.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.