Home / 2,257.03-3,116.63-1,419.14

Finding the Fourth Proportional to 2,257.03, 3,116.63 and 1,419.14

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Solution

The fourth proportional to 2,257.03, 3,116.63 and 1,419.14 is: 1,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.03 : 3,116.63 = 1,419.14 : x
  2. Step 2: Convert to fraction form
    2,257.03/3,116.63 = 1,419.14/x
  3. Step 3: Cross multiply
    2,257.03x = 3,116.63 × 1,419.14
  4. Step 4: Simplify right side
    2,257.03x = 4,422,920.12
  5. Step 5: Solve for x
    x = 4,422,920.12/2,257.03
  6. Step 6: Final answer
    x = 1,959.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.