Home / 2,949.67-4,069.52-1,830.20

Finding the Fourth Proportional to 2,949.67, 4,069.52 and 1,830.20

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Solution

The fourth proportional to 2,949.67, 4,069.52 and 1,830.20 is: 2,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.67 : 4,069.52 = 1,830.20 : x
  2. Step 2: Convert to fraction form
    2,949.67/4,069.52 = 1,830.20/x
  3. Step 3: Cross multiply
    2,949.67x = 4,069.52 × 1,830.20
  4. Step 4: Simplify right side
    2,949.67x = 7,448,035.50
  5. Step 5: Solve for x
    x = 7,448,035.50/2,949.67
  6. Step 6: Final answer
    x = 2,525.04

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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.