Home / 2,682.57-4,026.59-1,903.45

Finding the Fourth Proportional to 2,682.57, 4,026.59 and 1,903.45

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Solution

The fourth proportional to 2,682.57, 4,026.59 and 1,903.45 is: 2,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.57 : 4,026.59 = 1,903.45 : x
  2. Step 2: Convert to fraction form
    2,682.57/4,026.59 = 1,903.45/x
  3. Step 3: Cross multiply
    2,682.57x = 4,026.59 × 1,903.45
  4. Step 4: Simplify right side
    2,682.57x = 7,664,402.49
  5. Step 5: Solve for x
    x = 7,664,402.49/2,682.57
  6. Step 6: Final answer
    x = 2,857.11

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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.