Home / 3,207.78-4,426.86-1,810.50

Finding the Fourth Proportional to 3,207.78, 4,426.86 and 1,810.50

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Solution

The fourth proportional to 3,207.78, 4,426.86 and 1,810.50 is: 2,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.78 : 4,426.86 = 1,810.50 : x
  2. Step 2: Convert to fraction form
    3,207.78/4,426.86 = 1,810.50/x
  3. Step 3: Cross multiply
    3,207.78x = 4,426.86 × 1,810.50
  4. Step 4: Simplify right side
    3,207.78x = 8,014,830.03
  5. Step 5: Solve for x
    x = 8,014,830.03/3,207.78
  6. Step 6: Final answer
    x = 2,498.56

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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.