Home / 1,973.85-2,723.90-1,089.67

Finding the Fourth Proportional to 1,973.85, 2,723.90 and 1,089.67

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Solution

The fourth proportional to 1,973.85, 2,723.90 and 1,089.67 is: 1,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.85 : 2,723.90 = 1,089.67 : x
  2. Step 2: Convert to fraction form
    1,973.85/2,723.90 = 1,089.67/x
  3. Step 3: Cross multiply
    1,973.85x = 2,723.90 × 1,089.67
  4. Step 4: Simplify right side
    1,973.85x = 2,968,139.85
  5. Step 5: Solve for x
    x = 2,968,139.85/1,973.85
  6. Step 6: Final answer
    x = 1,503.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.