Home / 2,459.76-3,391.32-2,012.40

Finding the Fourth Proportional to 2,459.76, 3,391.32 and 2,012.40

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Solution

The fourth proportional to 2,459.76, 3,391.32 and 2,012.40 is: 2,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.76 : 3,391.32 = 2,012.40 : x
  2. Step 2: Convert to fraction form
    2,459.76/3,391.32 = 2,012.40/x
  3. Step 3: Cross multiply
    2,459.76x = 3,391.32 × 2,012.40
  4. Step 4: Simplify right side
    2,459.76x = 6,824,692.37
  5. Step 5: Solve for x
    x = 6,824,692.37/2,459.76
  6. Step 6: Final answer
    x = 2,774.54

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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.