Home / 2,420.36-3,342-1,859.96

Finding the Fourth Proportional to 2,420.36, 3,342 and 1,859.96

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Solution

The fourth proportional to 2,420.36, 3,342 and 1,859.96 is: 2,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.36 : 3,342 = 1,859.96 : x
  2. Step 2: Convert to fraction form
    2,420.36/3,342 = 1,859.96/x
  3. Step 3: Cross multiply
    2,420.36x = 3,342 × 1,859.96
  4. Step 4: Simplify right side
    2,420.36x = 6,215,986.32
  5. Step 5: Solve for x
    x = 6,215,986.32/2,420.36
  6. Step 6: Final answer
    x = 2,568.21

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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.