Home / 3,556.74-4,907.70-2,064.78

Finding the Fourth Proportional to 3,556.74, 4,907.70 and 2,064.78

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Solution

The fourth proportional to 3,556.74, 4,907.70 and 2,064.78 is: 2,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.74 : 4,907.70 = 2,064.78 : x
  2. Step 2: Convert to fraction form
    3,556.74/4,907.70 = 2,064.78/x
  3. Step 3: Cross multiply
    3,556.74x = 4,907.70 × 2,064.78
  4. Step 4: Simplify right side
    3,556.74x = 10,133,320.81
  5. Step 5: Solve for x
    x = 10,133,320.81/3,556.74
  6. Step 6: Final answer
    x = 2,849.05

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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.