Home / 1,573.43-2,170.41-984.26

Finding the Fourth Proportional to 1,573.43, 2,170.41 and 984.26

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Solution

The fourth proportional to 1,573.43, 2,170.41 and 984.26 is: 1,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.43 : 2,170.41 = 984.26 : x
  2. Step 2: Convert to fraction form
    1,573.43/2,170.41 = 984.26/x
  3. Step 3: Cross multiply
    1,573.43x = 2,170.41 × 984.26
  4. Step 4: Simplify right side
    1,573.43x = 2,136,236.89
  5. Step 5: Solve for x
    x = 2,136,236.89/1,573.43
  6. Step 6: Final answer
    x = 1,357.69

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Half scale
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Double scale
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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.