Home / 2,256.03-3,115.29-1,418.18

Finding the Fourth Proportional to 2,256.03, 3,115.29 and 1,418.18

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Solution

The fourth proportional to 2,256.03, 3,115.29 and 1,418.18 is: 1,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.03 : 3,115.29 = 1,418.18 : x
  2. Step 2: Convert to fraction form
    2,256.03/3,115.29 = 1,418.18/x
  3. Step 3: Cross multiply
    2,256.03x = 3,115.29 × 1,418.18
  4. Step 4: Simplify right side
    2,256.03x = 4,418,026.40
  5. Step 5: Solve for x
    x = 4,418,026.40/2,256.03
  6. Step 6: Final answer
    x = 1,958.32

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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.