Home / 2,435.51-3,653.39-1,187.25

Finding the Fourth Proportional to 2,435.51, 3,653.39 and 1,187.25

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Solution

The fourth proportional to 2,435.51, 3,653.39 and 1,187.25 is: 1,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.51 : 3,653.39 = 1,187.25 : x
  2. Step 2: Convert to fraction form
    2,435.51/3,653.39 = 1,187.25/x
  3. Step 3: Cross multiply
    2,435.51x = 3,653.39 × 1,187.25
  4. Step 4: Simplify right side
    2,435.51x = 4,337,481.34
  5. Step 5: Solve for x
    x = 4,337,481.34/2,435.51
  6. Step 6: Final answer
    x = 1,780.93

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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.