Home / 2,326.10-3,210-1,278.16

Finding the Fourth Proportional to 2,326.10, 3,210 and 1,278.16

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Solution

The fourth proportional to 2,326.10, 3,210 and 1,278.16 is: 1,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.10 : 3,210 = 1,278.16 : x
  2. Step 2: Convert to fraction form
    2,326.10/3,210 = 1,278.16/x
  3. Step 3: Cross multiply
    2,326.10x = 3,210 × 1,278.16
  4. Step 4: Simplify right side
    2,326.10x = 4,102,893.60
  5. Step 5: Solve for x
    x = 4,102,893.60/2,326.10
  6. Step 6: Final answer
    x = 1,763.85

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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.