Home / 3,903.51-5,855.36-1,271.03

Finding the Fourth Proportional to 3,903.51, 5,855.36 and 1,271.03

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Solution

The fourth proportional to 3,903.51, 5,855.36 and 1,271.03 is: 1,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.51 : 5,855.36 = 1,271.03 : x
  2. Step 2: Convert to fraction form
    3,903.51/5,855.36 = 1,271.03/x
  3. Step 3: Cross multiply
    3,903.51x = 5,855.36 × 1,271.03
  4. Step 4: Simplify right side
    3,903.51x = 7,442,302.59
  5. Step 5: Solve for x
    x = 7,442,302.59/3,903.51
  6. Step 6: Final answer
    x = 1,906.57

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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.