Home / 2,241.08-3,090.76-1,400.92

Finding the Fourth Proportional to 2,241.08, 3,090.76 and 1,400.92

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Solution

The fourth proportional to 2,241.08, 3,090.76 and 1,400.92 is: 1,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.08 : 3,090.76 = 1,400.92 : x
  2. Step 2: Convert to fraction form
    2,241.08/3,090.76 = 1,400.92/x
  3. Step 3: Cross multiply
    2,241.08x = 3,090.76 × 1,400.92
  4. Step 4: Simplify right side
    2,241.08x = 4,329,907.50
  5. Step 5: Solve for x
    x = 4,329,907.50/2,241.08
  6. Step 6: Final answer
    x = 1,932.06

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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.