Home / 2,746.21-3,789.58-1,698.07

Finding the Fourth Proportional to 2,746.21, 3,789.58 and 1,698.07

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Solution

The fourth proportional to 2,746.21, 3,789.58 and 1,698.07 is: 2,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.21 : 3,789.58 = 1,698.07 : x
  2. Step 2: Convert to fraction form
    2,746.21/3,789.58 = 1,698.07/x
  3. Step 3: Cross multiply
    2,746.21x = 3,789.58 × 1,698.07
  4. Step 4: Simplify right side
    2,746.21x = 6,434,953.16
  5. Step 5: Solve for x
    x = 6,434,953.16/2,746.21
  6. Step 6: Final answer
    x = 2,343.22

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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.