Home / 3,938.93-5,903.38-2,090.91

Finding the Fourth Proportional to 3,938.93, 5,903.38 and 2,090.91

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Solution

The fourth proportional to 3,938.93, 5,903.38 and 2,090.91 is: 3,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.93 : 5,903.38 = 2,090.91 : x
  2. Step 2: Convert to fraction form
    3,938.93/5,903.38 = 2,090.91/x
  3. Step 3: Cross multiply
    3,938.93x = 5,903.38 × 2,090.91
  4. Step 4: Simplify right side
    3,938.93x = 12,343,461.03
  5. Step 5: Solve for x
    x = 12,343,461.03/3,938.93
  6. Step 6: Final answer
    x = 3,133.71

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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.