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Finding the Fourth Proportional to 1,830.99, 2,526.80 and 1,044.99

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Solution

The fourth proportional to 1,830.99, 2,526.80 and 1,044.99 is: 1,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.99 : 2,526.80 = 1,044.99 : x
  2. Step 2: Convert to fraction form
    1,830.99/2,526.80 = 1,044.99/x
  3. Step 3: Cross multiply
    1,830.99x = 2,526.80 × 1,044.99
  4. Step 4: Simplify right side
    1,830.99x = 2,640,475.51
  5. Step 5: Solve for x
    x = 2,640,475.51/1,830.99
  6. Step 6: Final answer
    x = 1,442.10

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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.