Home / 2,664.05-3,994.13-1,276.19

Finding the Fourth Proportional to 2,664.05, 3,994.13 and 1,276.19

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Solution

The fourth proportional to 2,664.05, 3,994.13 and 1,276.19 is: 1,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.05 : 3,994.13 = 1,276.19 : x
  2. Step 2: Convert to fraction form
    2,664.05/3,994.13 = 1,276.19/x
  3. Step 3: Cross multiply
    2,664.05x = 3,994.13 × 1,276.19
  4. Step 4: Simplify right side
    2,664.05x = 5,097,262.38
  5. Step 5: Solve for x
    x = 5,097,262.38/2,664.05
  6. Step 6: Final answer
    x = 1,913.35

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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.