Home / 2,378.94-3,283.81-1,434.77

Finding the Fourth Proportional to 2,378.94, 3,283.81 and 1,434.77

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Solution

The fourth proportional to 2,378.94, 3,283.81 and 1,434.77 is: 1,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.94 : 3,283.81 = 1,434.77 : x
  2. Step 2: Convert to fraction form
    2,378.94/3,283.81 = 1,434.77/x
  3. Step 3: Cross multiply
    2,378.94x = 3,283.81 × 1,434.77
  4. Step 4: Simplify right side
    2,378.94x = 4,711,504.90
  5. Step 5: Solve for x
    x = 4,711,504.90/2,378.94
  6. Step 6: Final answer
    x = 1,980.51

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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.