Home / 4,270.48-6,403.44-1,960

Finding the Fourth Proportional to 4,270.48, 6,403.44 and 1,960

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Solution

The fourth proportional to 4,270.48, 6,403.44 and 1,960 is: 2,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.48 : 6,403.44 = 1,960 : x
  2. Step 2: Convert to fraction form
    4,270.48/6,403.44 = 1,960/x
  3. Step 3: Cross multiply
    4,270.48x = 6,403.44 × 1,960
  4. Step 4: Simplify right side
    4,270.48x = 12,550,742.40
  5. Step 5: Solve for x
    x = 12,550,742.40/4,270.48
  6. Step 6: Final answer
    x = 2,938.95

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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.