Home / 2,973.09-4,455.64-2,315.77

Finding the Fourth Proportional to 2,973.09, 4,455.64 and 2,315.77

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Solution

The fourth proportional to 2,973.09, 4,455.64 and 2,315.77 is: 3,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.09 : 4,455.64 = 2,315.77 : x
  2. Step 2: Convert to fraction form
    2,973.09/4,455.64 = 2,315.77/x
  3. Step 3: Cross multiply
    2,973.09x = 4,455.64 × 2,315.77
  4. Step 4: Simplify right side
    2,973.09x = 10,318,237.44
  5. Step 5: Solve for x
    x = 10,318,237.44/2,973.09
  6. Step 6: Final answer
    x = 3,470.54

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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.