Home / 2,460.78-3,395.93-1,930.30

Finding the Fourth Proportional to 2,460.78, 3,395.93 and 1,930.30

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Solution

The fourth proportional to 2,460.78, 3,395.93 and 1,930.30 is: 2,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.78 : 3,395.93 = 1,930.30 : x
  2. Step 2: Convert to fraction form
    2,460.78/3,395.93 = 1,930.30/x
  3. Step 3: Cross multiply
    2,460.78x = 3,395.93 × 1,930.30
  4. Step 4: Simplify right side
    2,460.78x = 6,555,145.54
  5. Step 5: Solve for x
    x = 6,555,145.54/2,460.78
  6. Step 6: Final answer
    x = 2,663.85

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1.5x scale

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.