Home / 3,162.51-4,362.93-1,903.57

Finding the Fourth Proportional to 3,162.51, 4,362.93 and 1,903.57

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Solution

The fourth proportional to 3,162.51, 4,362.93 and 1,903.57 is: 2,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.51 : 4,362.93 = 1,903.57 : x
  2. Step 2: Convert to fraction form
    3,162.51/4,362.93 = 1,903.57/x
  3. Step 3: Cross multiply
    3,162.51x = 4,362.93 × 1,903.57
  4. Step 4: Simplify right side
    3,162.51x = 8,305,131.75
  5. Step 5: Solve for x
    x = 8,305,131.75/3,162.51
  6. Step 6: Final answer
    x = 2,626.12

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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.