Home / 1,949.45-2,690.57-1,830.84

Finding the Fourth Proportional to 1,949.45, 2,690.57 and 1,830.84

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Solution

The fourth proportional to 1,949.45, 2,690.57 and 1,830.84 is: 2,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.45 : 2,690.57 = 1,830.84 : x
  2. Step 2: Convert to fraction form
    1,949.45/2,690.57 = 1,830.84/x
  3. Step 3: Cross multiply
    1,949.45x = 2,690.57 × 1,830.84
  4. Step 4: Simplify right side
    1,949.45x = 4,925,994.02
  5. Step 5: Solve for x
    x = 4,925,994.02/1,949.45
  6. Step 6: Final answer
    x = 2,526.87

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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.