Home / 4,218.56-5,821.52-2,355.60

Finding the Fourth Proportional to 4,218.56, 5,821.52 and 2,355.60

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Solution

The fourth proportional to 4,218.56, 5,821.52 and 2,355.60 is: 3,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.56 : 5,821.52 = 2,355.60 : x
  2. Step 2: Convert to fraction form
    4,218.56/5,821.52 = 2,355.60/x
  3. Step 3: Cross multiply
    4,218.56x = 5,821.52 × 2,355.60
  4. Step 4: Simplify right side
    4,218.56x = 13,713,172.51
  5. Step 5: Solve for x
    x = 13,713,172.51/4,218.56
  6. Step 6: Final answer
    x = 3,250.68

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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.