Home / 4,218.40-5,821.91-2,450.01

Finding the Fourth Proportional to 4,218.40, 5,821.91 and 2,450.01

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Solution

The fourth proportional to 4,218.40, 5,821.91 and 2,450.01 is: 3,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.40 : 5,821.91 = 2,450.01 : x
  2. Step 2: Convert to fraction form
    4,218.40/5,821.91 = 2,450.01/x
  3. Step 3: Cross multiply
    4,218.40x = 5,821.91 × 2,450.01
  4. Step 4: Simplify right side
    4,218.40x = 14,263,742.26
  5. Step 5: Solve for x
    x = 14,263,742.26/4,218.40
  6. Step 6: Final answer
    x = 3,381.31

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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.