Home / 1,830.08-2,743.29-904.65

Finding the Fourth Proportional to 1,830.08, 2,743.29 and 904.65

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Solution

The fourth proportional to 1,830.08, 2,743.29 and 904.65 is: 1,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.08 : 2,743.29 = 904.65 : x
  2. Step 2: Convert to fraction form
    1,830.08/2,743.29 = 904.65/x
  3. Step 3: Cross multiply
    1,830.08x = 2,743.29 × 904.65
  4. Step 4: Simplify right side
    1,830.08x = 2,481,717.30
  5. Step 5: Solve for x
    x = 2,481,717.30/1,830.08
  6. Step 6: Final answer
    x = 1,356.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.