Home / 2,410.21-3,326.40-1,415.87

Finding the Fourth Proportional to 2,410.21, 3,326.40 and 1,415.87

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Solution

The fourth proportional to 2,410.21, 3,326.40 and 1,415.87 is: 1,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.21 : 3,326.40 = 1,415.87 : x
  2. Step 2: Convert to fraction form
    2,410.21/3,326.40 = 1,415.87/x
  3. Step 3: Cross multiply
    2,410.21x = 3,326.40 × 1,415.87
  4. Step 4: Simplify right side
    2,410.21x = 4,709,749.97
  5. Step 5: Solve for x
    x = 4,709,749.97/2,410.21
  6. Step 6: Final answer
    x = 1,954.08

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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.