Home / 2,475.43-3,420.41-1,948.50

Finding the Fourth Proportional to 2,475.43, 3,420.41 and 1,948.50

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Solution

The fourth proportional to 2,475.43, 3,420.41 and 1,948.50 is: 2,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.43 : 3,420.41 = 1,948.50 : x
  2. Step 2: Convert to fraction form
    2,475.43/3,420.41 = 1,948.50/x
  3. Step 3: Cross multiply
    2,475.43x = 3,420.41 × 1,948.50
  4. Step 4: Simplify right side
    2,475.43x = 6,664,668.89
  5. Step 5: Solve for x
    x = 6,664,668.89/2,475.43
  6. Step 6: Final answer
    x = 2,692.33

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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.