Home / 3,260.30-4,878.14-1,874.28

Finding the Fourth Proportional to 3,260.30, 4,878.14 and 1,874.28

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Solution

The fourth proportional to 3,260.30, 4,878.14 and 1,874.28 is: 2,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.30 : 4,878.14 = 1,874.28 : x
  2. Step 2: Convert to fraction form
    3,260.30/4,878.14 = 1,874.28/x
  3. Step 3: Cross multiply
    3,260.30x = 4,878.14 × 1,874.28
  4. Step 4: Simplify right side
    3,260.30x = 9,142,990.87
  5. Step 5: Solve for x
    x = 9,142,990.87/3,260.30
  6. Step 6: Final answer
    x = 2,804.34

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1.5x scale

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.