Home / 3,100.09-4,651.05-1,250.25

Finding the Fourth Proportional to 3,100.09, 4,651.05 and 1,250.25

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Solution

The fourth proportional to 3,100.09, 4,651.05 and 1,250.25 is: 1,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.09 : 4,651.05 = 1,250.25 : x
  2. Step 2: Convert to fraction form
    3,100.09/4,651.05 = 1,250.25/x
  3. Step 3: Cross multiply
    3,100.09x = 4,651.05 × 1,250.25
  4. Step 4: Simplify right side
    3,100.09x = 5,814,975.26
  5. Step 5: Solve for x
    x = 5,814,975.26/3,100.09
  6. Step 6: Final answer
    x = 1,875.74

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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.