Home / 2,389.43-3,299.01-1,828.89

Finding the Fourth Proportional to 2,389.43, 3,299.01 and 1,828.89

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Solution

The fourth proportional to 2,389.43, 3,299.01 and 1,828.89 is: 2,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.43 : 3,299.01 = 1,828.89 : x
  2. Step 2: Convert to fraction form
    2,389.43/3,299.01 = 1,828.89/x
  3. Step 3: Cross multiply
    2,389.43x = 3,299.01 × 1,828.89
  4. Step 4: Simplify right side
    2,389.43x = 6,033,526.40
  5. Step 5: Solve for x
    x = 6,033,526.40/2,389.43
  6. Step 6: Final answer
    x = 2,525.10

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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.