Home / 1,351.77-2,025.86-1,197.87

Finding the Fourth Proportional to 1,351.77, 2,025.86 and 1,197.87

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Solution

The fourth proportional to 1,351.77, 2,025.86 and 1,197.87 is: 1,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.77 : 2,025.86 = 1,197.87 : x
  2. Step 2: Convert to fraction form
    1,351.77/2,025.86 = 1,197.87/x
  3. Step 3: Cross multiply
    1,351.77x = 2,025.86 × 1,197.87
  4. Step 4: Simplify right side
    1,351.77x = 2,426,710.93
  5. Step 5: Solve for x
    x = 2,426,710.93/1,351.77
  6. Step 6: Final answer
    x = 1,795.21

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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.