Home / 2,707.49-3,735.21-1,821.76

Finding the Fourth Proportional to 2,707.49, 3,735.21 and 1,821.76

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Solution

The fourth proportional to 2,707.49, 3,735.21 and 1,821.76 is: 2,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.49 : 3,735.21 = 1,821.76 : x
  2. Step 2: Convert to fraction form
    2,707.49/3,735.21 = 1,821.76/x
  3. Step 3: Cross multiply
    2,707.49x = 3,735.21 × 1,821.76
  4. Step 4: Simplify right side
    2,707.49x = 6,804,628.38
  5. Step 5: Solve for x
    x = 6,804,628.38/2,707.49
  6. Step 6: Final answer
    x = 2,513.26

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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.