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Finding the Fourth Proportional to 1,830.80, 2,526.39 and 1,044.80

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Solution

The fourth proportional to 1,830.80, 2,526.39 and 1,044.80 is: 1,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.80 : 2,526.39 = 1,044.80 : x
  2. Step 2: Convert to fraction form
    1,830.80/2,526.39 = 1,044.80/x
  3. Step 3: Cross multiply
    1,830.80x = 2,526.39 × 1,044.80
  4. Step 4: Simplify right side
    1,830.80x = 2,639,569.11
  5. Step 5: Solve for x
    x = 2,639,569.11/1,830.80
  6. Step 6: Final answer
    x = 1,441.76

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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.