Home / 2,435.40-3,651.21-1,118.25

Finding the Fourth Proportional to 2,435.40, 3,651.21 and 1,118.25

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Solution

The fourth proportional to 2,435.40, 3,651.21 and 1,118.25 is: 1,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.40 : 3,651.21 = 1,118.25 : x
  2. Step 2: Convert to fraction form
    2,435.40/3,651.21 = 1,118.25/x
  3. Step 3: Cross multiply
    2,435.40x = 3,651.21 × 1,118.25
  4. Step 4: Simplify right side
    2,435.40x = 4,082,965.58
  5. Step 5: Solve for x
    x = 4,082,965.58/2,435.40
  6. Step 6: Final answer
    x = 1,676.51

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1.5x scale

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.