Home / 2,323.87-3,486.81-1,091.18

Finding the Fourth Proportional to 2,323.87, 3,486.81 and 1,091.18

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Solution

The fourth proportional to 2,323.87, 3,486.81 and 1,091.18 is: 1,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.87 : 3,486.81 = 1,091.18 : x
  2. Step 2: Convert to fraction form
    2,323.87/3,486.81 = 1,091.18/x
  3. Step 3: Cross multiply
    2,323.87x = 3,486.81 × 1,091.18
  4. Step 4: Simplify right side
    2,323.87x = 3,804,750.14
  5. Step 5: Solve for x
    x = 3,804,750.14/2,323.87
  6. Step 6: Final answer
    x = 1,637.25

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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.