Home / 2,746.38-3,790.08-1,551.39

Finding the Fourth Proportional to 2,746.38, 3,790.08 and 1,551.39

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Solution

The fourth proportional to 2,746.38, 3,790.08 and 1,551.39 is: 2,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.38 : 3,790.08 = 1,551.39 : x
  2. Step 2: Convert to fraction form
    2,746.38/3,790.08 = 1,551.39/x
  3. Step 3: Cross multiply
    2,746.38x = 3,790.08 × 1,551.39
  4. Step 4: Simplify right side
    2,746.38x = 5,879,892.21
  5. Step 5: Solve for x
    x = 5,879,892.21/2,746.38
  6. Step 6: Final answer
    x = 2,140.96

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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.