Home / 3,124.03-4,679.61-1,888.33

Finding the Fourth Proportional to 3,124.03, 4,679.61 and 1,888.33

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Solution

The fourth proportional to 3,124.03, 4,679.61 and 1,888.33 is: 2,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.03 : 4,679.61 = 1,888.33 : x
  2. Step 2: Convert to fraction form
    3,124.03/4,679.61 = 1,888.33/x
  3. Step 3: Cross multiply
    3,124.03x = 4,679.61 × 1,888.33
  4. Step 4: Simplify right side
    3,124.03x = 8,836,647.95
  5. Step 5: Solve for x
    x = 8,836,647.95/3,124.03
  6. Step 6: Final answer
    x = 2,828.61

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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.