Home / 1,942.67-2,899.91-1,798.12

Finding the Fourth Proportional to 1,942.67, 2,899.91 and 1,798.12

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Solution

The fourth proportional to 1,942.67, 2,899.91 and 1,798.12 is: 2,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.67 : 2,899.91 = 1,798.12 : x
  2. Step 2: Convert to fraction form
    1,942.67/2,899.91 = 1,798.12/x
  3. Step 3: Cross multiply
    1,942.67x = 2,899.91 × 1,798.12
  4. Step 4: Simplify right side
    1,942.67x = 5,214,394.29
  5. Step 5: Solve for x
    x = 5,214,394.29/1,942.67
  6. Step 6: Final answer
    x = 2,684.13

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1.5x scale

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.