Home / 2,261.03-3,120.46-1,731.29

Finding the Fourth Proportional to 2,261.03, 3,120.46 and 1,731.29

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Solution

The fourth proportional to 2,261.03, 3,120.46 and 1,731.29 is: 2,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.03 : 3,120.46 = 1,731.29 : x
  2. Step 2: Convert to fraction form
    2,261.03/3,120.46 = 1,731.29/x
  3. Step 3: Cross multiply
    2,261.03x = 3,120.46 × 1,731.29
  4. Step 4: Simplify right side
    2,261.03x = 5,402,401.26
  5. Step 5: Solve for x
    x = 5,402,401.26/2,261.03
  6. Step 6: Final answer
    x = 2,389.36

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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.