Home / 1,859.50-2,789.25-1,168.21

Finding the Fourth Proportional to 1,859.50, 2,789.25 and 1,168.21

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Solution

The fourth proportional to 1,859.50, 2,789.25 and 1,168.21 is: 1,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.50 : 2,789.25 = 1,168.21 : x
  2. Step 2: Convert to fraction form
    1,859.50/2,789.25 = 1,168.21/x
  3. Step 3: Cross multiply
    1,859.50x = 2,789.25 × 1,168.21
  4. Step 4: Simplify right side
    1,859.50x = 3,258,429.74
  5. Step 5: Solve for x
    x = 3,258,429.74/1,859.50
  6. Step 6: Final answer
    x = 1,752.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.