Home / 2,261.10-3,389.39-1,090.77

Finding the Fourth Proportional to 2,261.10, 3,389.39 and 1,090.77

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Solution

The fourth proportional to 2,261.10, 3,389.39 and 1,090.77 is: 1,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.10 : 3,389.39 = 1,090.77 : x
  2. Step 2: Convert to fraction form
    2,261.10/3,389.39 = 1,090.77/x
  3. Step 3: Cross multiply
    2,261.10x = 3,389.39 × 1,090.77
  4. Step 4: Simplify right side
    2,261.10x = 3,697,036.99
  5. Step 5: Solve for x
    x = 3,697,036.99/2,261.10
  6. Step 6: Final answer
    x = 1,635.06

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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.