Home / 2,457.22-3,390.94-1,338.16

Finding the Fourth Proportional to 2,457.22, 3,390.94 and 1,338.16

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Solution

The fourth proportional to 2,457.22, 3,390.94 and 1,338.16 is: 1,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.22 : 3,390.94 = 1,338.16 : x
  2. Step 2: Convert to fraction form
    2,457.22/3,390.94 = 1,338.16/x
  3. Step 3: Cross multiply
    2,457.22x = 3,390.94 × 1,338.16
  4. Step 4: Simplify right side
    2,457.22x = 4,537,603.32
  5. Step 5: Solve for x
    x = 4,537,603.32/2,457.22
  6. Step 6: Final answer
    x = 1,846.64

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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.