Home / 3,162.74-4,362.85-1,903.03

Finding the Fourth Proportional to 3,162.74, 4,362.85 and 1,903.03

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Solution

The fourth proportional to 3,162.74, 4,362.85 and 1,903.03 is: 2,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.74 : 4,362.85 = 1,903.03 : x
  2. Step 2: Convert to fraction form
    3,162.74/4,362.85 = 1,903.03/x
  3. Step 3: Cross multiply
    3,162.74x = 4,362.85 × 1,903.03
  4. Step 4: Simplify right side
    3,162.74x = 8,302,644.65
  5. Step 5: Solve for x
    x = 8,302,644.65/3,162.74
  6. Step 6: Final answer
    x = 2,625.15

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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.