Home / 1,948.51-2,919.12-1,513.54

Finding the Fourth Proportional to 1,948.51, 2,919.12 and 1,513.54

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Solution

The fourth proportional to 1,948.51, 2,919.12 and 1,513.54 is: 2,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.51 : 2,919.12 = 1,513.54 : x
  2. Step 2: Convert to fraction form
    1,948.51/2,919.12 = 1,513.54/x
  3. Step 3: Cross multiply
    1,948.51x = 2,919.12 × 1,513.54
  4. Step 4: Simplify right side
    1,948.51x = 4,418,204.88
  5. Step 5: Solve for x
    x = 4,418,204.88/1,948.51
  6. Step 6: Final answer
    x = 2,267.48

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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.