Home / 2,192.50-3,027-1,407.93

Finding the Fourth Proportional to 2,192.50, 3,027 and 1,407.93

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Solution

The fourth proportional to 2,192.50, 3,027 and 1,407.93 is: 1,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.50 : 3,027 = 1,407.93 : x
  2. Step 2: Convert to fraction form
    2,192.50/3,027 = 1,407.93/x
  3. Step 3: Cross multiply
    2,192.50x = 3,027 × 1,407.93
  4. Step 4: Simplify right side
    2,192.50x = 4,261,804.11
  5. Step 5: Solve for x
    x = 4,261,804.11/2,192.50
  6. Step 6: Final answer
    x = 1,943.81

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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.