Home / 3,149.90-4,347.61-1,824.33

Finding the Fourth Proportional to 3,149.90, 4,347.61 and 1,824.33

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Solution

The fourth proportional to 3,149.90, 4,347.61 and 1,824.33 is: 2,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.90 : 4,347.61 = 1,824.33 : x
  2. Step 2: Convert to fraction form
    3,149.90/4,347.61 = 1,824.33/x
  3. Step 3: Cross multiply
    3,149.90x = 4,347.61 × 1,824.33
  4. Step 4: Simplify right side
    3,149.90x = 7,931,487.09
  5. Step 5: Solve for x
    x = 7,931,487.09/3,149.90
  6. Step 6: Final answer
    x = 2,518.01

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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.