Home / 3,806.07-5,253.40-2,235.21

Finding the Fourth Proportional to 3,806.07, 5,253.40 and 2,235.21

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Solution

The fourth proportional to 3,806.07, 5,253.40 and 2,235.21 is: 3,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.07 : 5,253.40 = 2,235.21 : x
  2. Step 2: Convert to fraction form
    3,806.07/5,253.40 = 2,235.21/x
  3. Step 3: Cross multiply
    3,806.07x = 5,253.40 × 2,235.21
  4. Step 4: Simplify right side
    3,806.07x = 11,742,441.04
  5. Step 5: Solve for x
    x = 11,742,441.04/3,806.07
  6. Step 6: Final answer
    x = 3,085.19

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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.