Home / 2,748.54-3,790.62-2,379.18

Finding the Fourth Proportional to 2,748.54, 3,790.62 and 2,379.18

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Solution

The fourth proportional to 2,748.54, 3,790.62 and 2,379.18 is: 3,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.54 : 3,790.62 = 2,379.18 : x
  2. Step 2: Convert to fraction form
    2,748.54/3,790.62 = 2,379.18/x
  3. Step 3: Cross multiply
    2,748.54x = 3,790.62 × 2,379.18
  4. Step 4: Simplify right side
    2,748.54x = 9,018,567.29
  5. Step 5: Solve for x
    x = 9,018,567.29/2,748.54
  6. Step 6: Final answer
    x = 3,281.22

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1.5x scale

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.