Home / 3,689.04-5,090.29-2,073.63

Finding the Fourth Proportional to 3,689.04, 5,090.29 and 2,073.63

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Solution

The fourth proportional to 3,689.04, 5,090.29 and 2,073.63 is: 2,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.04 : 5,090.29 = 2,073.63 : x
  2. Step 2: Convert to fraction form
    3,689.04/5,090.29 = 2,073.63/x
  3. Step 3: Cross multiply
    3,689.04x = 5,090.29 × 2,073.63
  4. Step 4: Simplify right side
    3,689.04x = 10,555,372.34
  5. Step 5: Solve for x
    x = 10,555,372.34/3,689.04
  6. Step 6: Final answer
    x = 2,861.28

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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.