Home / 1,328.85-1,983.44-1,246.77

Finding the Fourth Proportional to 1,328.85, 1,983.44 and 1,246.77

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Solution

The fourth proportional to 1,328.85, 1,983.44 and 1,246.77 is: 1,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328.85 : 1,983.44 = 1,246.77 : x
  2. Step 2: Convert to fraction form
    1,328.85/1,983.44 = 1,246.77/x
  3. Step 3: Cross multiply
    1,328.85x = 1,983.44 × 1,246.77
  4. Step 4: Simplify right side
    1,328.85x = 2,472,896.61
  5. Step 5: Solve for x
    x = 2,472,896.61/1,328.85
  6. Step 6: Final answer
    x = 1,860.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.