Home / 2,457.58-3,391.42-1,338.50

Finding the Fourth Proportional to 2,457.58, 3,391.42 and 1,338.50

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Solution

The fourth proportional to 2,457.58, 3,391.42 and 1,338.50 is: 1,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.58 : 3,391.42 = 1,338.50 : x
  2. Step 2: Convert to fraction form
    2,457.58/3,391.42 = 1,338.50/x
  3. Step 3: Cross multiply
    2,457.58x = 3,391.42 × 1,338.50
  4. Step 4: Simplify right side
    2,457.58x = 4,539,415.67
  5. Step 5: Solve for x
    x = 4,539,415.67/2,457.58
  6. Step 6: Final answer
    x = 1,847.11

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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.