Home / 1,828.37-2,523.14-989.07

Finding the Fourth Proportional to 1,828.37, 2,523.14 and 989.07

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Solution

The fourth proportional to 1,828.37, 2,523.14 and 989.07 is: 1,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.37 : 2,523.14 = 989.07 : x
  2. Step 2: Convert to fraction form
    1,828.37/2,523.14 = 989.07/x
  3. Step 3: Cross multiply
    1,828.37x = 2,523.14 × 989.07
  4. Step 4: Simplify right side
    1,828.37x = 2,495,557.13
  5. Step 5: Solve for x
    x = 2,495,557.13/1,828.37
  6. Step 6: Final answer
    x = 1,364.91

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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.