Home / 3,457.23-5,185.91-1,816.98

Finding the Fourth Proportional to 3,457.23, 5,185.91 and 1,816.98

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Solution

The fourth proportional to 3,457.23, 5,185.91 and 1,816.98 is: 2,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.23 : 5,185.91 = 1,816.98 : x
  2. Step 2: Convert to fraction form
    3,457.23/5,185.91 = 1,816.98/x
  3. Step 3: Cross multiply
    3,457.23x = 5,185.91 × 1,816.98
  4. Step 4: Simplify right side
    3,457.23x = 9,422,659.74
  5. Step 5: Solve for x
    x = 9,422,659.74/3,457.23
  6. Step 6: Final answer
    x = 2,725.50

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Half scale
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Double scale
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Similar ratio
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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.