Home / 3,507.49-4,839.21-2,328.79

Finding the Fourth Proportional to 3,507.49, 4,839.21 and 2,328.79

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Solution

The fourth proportional to 3,507.49, 4,839.21 and 2,328.79 is: 3,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.49 : 4,839.21 = 2,328.79 : x
  2. Step 2: Convert to fraction form
    3,507.49/4,839.21 = 2,328.79/x
  3. Step 3: Cross multiply
    3,507.49x = 4,839.21 × 2,328.79
  4. Step 4: Simplify right side
    3,507.49x = 11,269,503.86
  5. Step 5: Solve for x
    x = 11,269,503.86/3,507.49
  6. Step 6: Final answer
    x = 3,212.98

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1.5x scale

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.