Home / 2,852.42-4,278.50-2,020.66

Finding the Fourth Proportional to 2,852.42, 4,278.50 and 2,020.66

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Solution

The fourth proportional to 2,852.42, 4,278.50 and 2,020.66 is: 3,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.42 : 4,278.50 = 2,020.66 : x
  2. Step 2: Convert to fraction form
    2,852.42/4,278.50 = 2,020.66/x
  3. Step 3: Cross multiply
    2,852.42x = 4,278.50 × 2,020.66
  4. Step 4: Simplify right side
    2,852.42x = 8,645,393.81
  5. Step 5: Solve for x
    x = 8,645,393.81/2,852.42
  6. Step 6: Final answer
    x = 3,030.90

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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.