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Finding the Fourth Proportional to 2,973.38, 4,457.86 and 1,803.65

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Solution

The fourth proportional to 2,973.38, 4,457.86 and 1,803.65 is: 2,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.38 : 4,457.86 = 1,803.65 : x
  2. Step 2: Convert to fraction form
    2,973.38/4,457.86 = 1,803.65/x
  3. Step 3: Cross multiply
    2,973.38x = 4,457.86 × 1,803.65
  4. Step 4: Simplify right side
    2,973.38x = 8,040,392.39
  5. Step 5: Solve for x
    x = 8,040,392.39/2,973.38
  6. Step 6: Final answer
    x = 2,704.13

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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.