Home / 2,589.46-3,577.64-1,807

Finding the Fourth Proportional to 2,589.46, 3,577.64 and 1,807

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Solution

The fourth proportional to 2,589.46, 3,577.64 and 1,807 is: 2,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.46 : 3,577.64 = 1,807 : x
  2. Step 2: Convert to fraction form
    2,589.46/3,577.64 = 1,807/x
  3. Step 3: Cross multiply
    2,589.46x = 3,577.64 × 1,807
  4. Step 4: Simplify right side
    2,589.46x = 6,464,795.48
  5. Step 5: Solve for x
    x = 6,464,795.48/2,589.46
  6. Step 6: Final answer
    x = 2,496.58

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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.