Home / 1,968.60-2,942.61-1,476.12

Finding the Fourth Proportional to 1,968.60, 2,942.61 and 1,476.12

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Solution

The fourth proportional to 1,968.60, 2,942.61 and 1,476.12 is: 2,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.60 : 2,942.61 = 1,476.12 : x
  2. Step 2: Convert to fraction form
    1,968.60/2,942.61 = 1,476.12/x
  3. Step 3: Cross multiply
    1,968.60x = 2,942.61 × 1,476.12
  4. Step 4: Simplify right side
    1,968.60x = 4,343,645.47
  5. Step 5: Solve for x
    x = 4,343,645.47/1,968.60
  6. Step 6: Final answer
    x = 2,206.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.