Home / 2,538.51-3,502.95-1,419.41

Finding the Fourth Proportional to 2,538.51, 3,502.95 and 1,419.41

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Solution

The fourth proportional to 2,538.51, 3,502.95 and 1,419.41 is: 1,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.51 : 3,502.95 = 1,419.41 : x
  2. Step 2: Convert to fraction form
    2,538.51/3,502.95 = 1,419.41/x
  3. Step 3: Cross multiply
    2,538.51x = 3,502.95 × 1,419.41
  4. Step 4: Simplify right side
    2,538.51x = 4,972,104.74
  5. Step 5: Solve for x
    x = 4,972,104.74/2,538.51
  6. Step 6: Final answer
    x = 1,958.67

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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.