Home / 3,690.46-5,090.34-2,903.14

Finding the Fourth Proportional to 3,690.46, 5,090.34 and 2,903.14

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Solution

The fourth proportional to 3,690.46, 5,090.34 and 2,903.14 is: 4,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.46 : 5,090.34 = 2,903.14 : x
  2. Step 2: Convert to fraction form
    3,690.46/5,090.34 = 2,903.14/x
  3. Step 3: Cross multiply
    3,690.46x = 5,090.34 × 2,903.14
  4. Step 4: Simplify right side
    3,690.46x = 14,777,969.67
  5. Step 5: Solve for x
    x = 14,777,969.67/3,690.46
  6. Step 6: Final answer
    x = 4,004.37

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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.