Home / 2,459.58-3,391.64-1,900.14

Finding the Fourth Proportional to 2,459.58, 3,391.64 and 1,900.14

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Solution

The fourth proportional to 2,459.58, 3,391.64 and 1,900.14 is: 2,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.58 : 3,391.64 = 1,900.14 : x
  2. Step 2: Convert to fraction form
    2,459.58/3,391.64 = 1,900.14/x
  3. Step 3: Cross multiply
    2,459.58x = 3,391.64 × 1,900.14
  4. Step 4: Simplify right side
    2,459.58x = 6,444,590.83
  5. Step 5: Solve for x
    x = 6,444,590.83/2,459.58
  6. Step 6: Final answer
    x = 2,620.20

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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.