Home / 3,020.56-4,532.16-1,377.28

Finding the Fourth Proportional to 3,020.56, 4,532.16 and 1,377.28

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Solution

The fourth proportional to 3,020.56, 4,532.16 and 1,377.28 is: 2,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.56 : 4,532.16 = 1,377.28 : x
  2. Step 2: Convert to fraction form
    3,020.56/4,532.16 = 1,377.28/x
  3. Step 3: Cross multiply
    3,020.56x = 4,532.16 × 1,377.28
  4. Step 4: Simplify right side
    3,020.56x = 6,242,053.32
  5. Step 5: Solve for x
    x = 6,242,053.32/3,020.56
  6. Step 6: Final answer
    x = 2,066.52

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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.