Home / 4,165.74-5,746.21-2,749.43

Finding the Fourth Proportional to 4,165.74, 5,746.21 and 2,749.43

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Solution

The fourth proportional to 4,165.74, 5,746.21 and 2,749.43 is: 3,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.74 : 5,746.21 = 2,749.43 : x
  2. Step 2: Convert to fraction form
    4,165.74/5,746.21 = 2,749.43/x
  3. Step 3: Cross multiply
    4,165.74x = 5,746.21 × 2,749.43
  4. Step 4: Simplify right side
    4,165.74x = 15,798,809.65
  5. Step 5: Solve for x
    x = 15,798,809.65/4,165.74
  6. Step 6: Final answer
    x = 3,792.56

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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.