Home / 3,020.95-4,528.62-1,171.69

Finding the Fourth Proportional to 3,020.95, 4,528.62 and 1,171.69

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Solution

The fourth proportional to 3,020.95, 4,528.62 and 1,171.69 is: 1,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.95 : 4,528.62 = 1,171.69 : x
  2. Step 2: Convert to fraction form
    3,020.95/4,528.62 = 1,171.69/x
  3. Step 3: Cross multiply
    3,020.95x = 4,528.62 × 1,171.69
  4. Step 4: Simplify right side
    3,020.95x = 5,306,138.77
  5. Step 5: Solve for x
    x = 5,306,138.77/3,020.95
  6. Step 6: Final answer
    x = 1,756.45

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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.