Home / 2,983.20-4,474.80-1,829.60

Finding the Fourth Proportional to 2,983.20, 4,474.80 and 1,829.60

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Solution

The fourth proportional to 2,983.20, 4,474.80 and 1,829.60 is: 2,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.20 : 4,474.80 = 1,829.60 : x
  2. Step 2: Convert to fraction form
    2,983.20/4,474.80 = 1,829.60/x
  3. Step 3: Cross multiply
    2,983.20x = 4,474.80 × 1,829.60
  4. Step 4: Simplify right side
    2,983.20x = 8,187,094.08
  5. Step 5: Solve for x
    x = 8,187,094.08/2,983.20
  6. Step 6: Final answer
    x = 2,744.40

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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.