Home / 2,984.31-4,480.53-2,057.58

Finding the Fourth Proportional to 2,984.31, 4,480.53 and 2,057.58

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Solution

The fourth proportional to 2,984.31, 4,480.53 and 2,057.58 is: 3,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.31 : 4,480.53 = 2,057.58 : x
  2. Step 2: Convert to fraction form
    2,984.31/4,480.53 = 2,057.58/x
  3. Step 3: Cross multiply
    2,984.31x = 4,480.53 × 2,057.58
  4. Step 4: Simplify right side
    2,984.31x = 9,219,048.92
  5. Step 5: Solve for x
    x = 9,219,048.92/2,984.31
  6. Step 6: Final answer
    x = 3,089.17

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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.