Home / 2,235.70-3,085.76-1,241.32

Finding the Fourth Proportional to 2,235.70, 3,085.76 and 1,241.32

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Solution

The fourth proportional to 2,235.70, 3,085.76 and 1,241.32 is: 1,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.70 : 3,085.76 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    2,235.70/3,085.76 = 1,241.32/x
  3. Step 3: Cross multiply
    2,235.70x = 3,085.76 × 1,241.32
  4. Step 4: Simplify right side
    2,235.70x = 3,830,415.60
  5. Step 5: Solve for x
    x = 3,830,415.60/2,235.70
  6. Step 6: Final answer
    x = 1,713.30

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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.