Home / 3,008.26-4,153.20-1,890.16

Finding the Fourth Proportional to 3,008.26, 4,153.20 and 1,890.16

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Solution

The fourth proportional to 3,008.26, 4,153.20 and 1,890.16 is: 2,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.26 : 4,153.20 = 1,890.16 : x
  2. Step 2: Convert to fraction form
    3,008.26/4,153.20 = 1,890.16/x
  3. Step 3: Cross multiply
    3,008.26x = 4,153.20 × 1,890.16
  4. Step 4: Simplify right side
    3,008.26x = 7,850,212.51
  5. Step 5: Solve for x
    x = 7,850,212.51/3,008.26
  6. Step 6: Final answer
    x = 2,609.55

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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.