Home / 2,973.10-4,459.71-1,125.09

Finding the Fourth Proportional to 2,973.10, 4,459.71 and 1,125.09

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Solution

The fourth proportional to 2,973.10, 4,459.71 and 1,125.09 is: 1,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.10 : 4,459.71 = 1,125.09 : x
  2. Step 2: Convert to fraction form
    2,973.10/4,459.71 = 1,125.09/x
  3. Step 3: Cross multiply
    2,973.10x = 4,459.71 × 1,125.09
  4. Step 4: Simplify right side
    2,973.10x = 5,017,575.12
  5. Step 5: Solve for x
    x = 5,017,575.12/2,973.10
  6. Step 6: Final answer
    x = 1,687.66

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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.