Home / 1,912.06-2,867.95-525.48

Finding the Fourth Proportional to 1,912.06, 2,867.95 and 525.48

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Solution

The fourth proportional to 1,912.06, 2,867.95 and 525.48 is: 788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.06 : 2,867.95 = 525.48 : x
  2. Step 2: Convert to fraction form
    1,912.06/2,867.95 = 525.48/x
  3. Step 3: Cross multiply
    1,912.06x = 2,867.95 × 525.48
  4. Step 4: Simplify right side
    1,912.06x = 1,507,050.37
  5. Step 5: Solve for x
    x = 1,507,050.37/1,912.06
  6. Step 6: Final answer
    x = 788.18

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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.