Home / 3,367.78-4,647.42-1,875.65

Finding the Fourth Proportional to 3,367.78, 4,647.42 and 1,875.65

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Solution

The fourth proportional to 3,367.78, 4,647.42 and 1,875.65 is: 2,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.78 : 4,647.42 = 1,875.65 : x
  2. Step 2: Convert to fraction form
    3,367.78/4,647.42 = 1,875.65/x
  3. Step 3: Cross multiply
    3,367.78x = 4,647.42 × 1,875.65
  4. Step 4: Simplify right side
    3,367.78x = 8,716,933.32
  5. Step 5: Solve for x
    x = 8,716,933.32/3,367.78
  6. Step 6: Final answer
    x = 2,588.33

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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.