Home / 4,216.82-5,812.58-2,888.22

Finding the Fourth Proportional to 4,216.82, 5,812.58 and 2,888.22

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Solution

The fourth proportional to 4,216.82, 5,812.58 and 2,888.22 is: 3,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.82 : 5,812.58 = 2,888.22 : x
  2. Step 2: Convert to fraction form
    4,216.82/5,812.58 = 2,888.22/x
  3. Step 3: Cross multiply
    4,216.82x = 5,812.58 × 2,888.22
  4. Step 4: Simplify right side
    4,216.82x = 16,788,009.81
  5. Step 5: Solve for x
    x = 16,788,009.81/4,216.82
  6. Step 6: Final answer
    x = 3,981.20

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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.