Home / 1,930.44-2,875.74-1,810.92

Finding the Fourth Proportional to 1,930.44, 2,875.74 and 1,810.92

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Solution

The fourth proportional to 1,930.44, 2,875.74 and 1,810.92 is: 2,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.44 : 2,875.74 = 1,810.92 : x
  2. Step 2: Convert to fraction form
    1,930.44/2,875.74 = 1,810.92/x
  3. Step 3: Cross multiply
    1,930.44x = 2,875.74 × 1,810.92
  4. Step 4: Simplify right side
    1,930.44x = 5,207,735.08
  5. Step 5: Solve for x
    x = 5,207,735.08/1,930.44
  6. Step 6: Final answer
    x = 2,697.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.