Home / 3,019.76-4,528.35-1,377.35

Finding the Fourth Proportional to 3,019.76, 4,528.35 and 1,377.35

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Solution

The fourth proportional to 3,019.76, 4,528.35 and 1,377.35 is: 2,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.76 : 4,528.35 = 1,377.35 : x
  2. Step 2: Convert to fraction form
    3,019.76/4,528.35 = 1,377.35/x
  3. Step 3: Cross multiply
    3,019.76x = 4,528.35 × 1,377.35
  4. Step 4: Simplify right side
    3,019.76x = 6,237,100.23
  5. Step 5: Solve for x
    x = 6,237,100.23/3,019.76
  6. Step 6: Final answer
    x = 2,065.43

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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.