Home / 2,193.40-3,284.70-1,642.60

Finding the Fourth Proportional to 2,193.40, 3,284.70 and 1,642.60

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Solution

The fourth proportional to 2,193.40, 3,284.70 and 1,642.60 is: 2,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.40 : 3,284.70 = 1,642.60 : x
  2. Step 2: Convert to fraction form
    2,193.40/3,284.70 = 1,642.60/x
  3. Step 3: Cross multiply
    2,193.40x = 3,284.70 × 1,642.60
  4. Step 4: Simplify right side
    2,193.40x = 5,395,448.22
  5. Step 5: Solve for x
    x = 5,395,448.22/2,193.40
  6. Step 6: Final answer
    x = 2,459.86

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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.