Home / 2,907.46-4,358.74-1,262.77

Finding the Fourth Proportional to 2,907.46, 4,358.74 and 1,262.77

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Solution

The fourth proportional to 2,907.46, 4,358.74 and 1,262.77 is: 1,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.46 : 4,358.74 = 1,262.77 : x
  2. Step 2: Convert to fraction form
    2,907.46/4,358.74 = 1,262.77/x
  3. Step 3: Cross multiply
    2,907.46x = 4,358.74 × 1,262.77
  4. Step 4: Simplify right side
    2,907.46x = 5,504,086.11
  5. Step 5: Solve for x
    x = 5,504,086.11/2,907.46
  6. Step 6: Final answer
    x = 1,893.09

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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.