Home / 2,909.18-4,362.03-1,973.28

Finding the Fourth Proportional to 2,909.18, 4,362.03 and 1,973.28

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Solution

The fourth proportional to 2,909.18, 4,362.03 and 1,973.28 is: 2,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.18 : 4,362.03 = 1,973.28 : x
  2. Step 2: Convert to fraction form
    2,909.18/4,362.03 = 1,973.28/x
  3. Step 3: Cross multiply
    2,909.18x = 4,362.03 × 1,973.28
  4. Step 4: Simplify right side
    2,909.18x = 8,607,500.59
  5. Step 5: Solve for x
    x = 8,607,500.59/2,909.18
  6. Step 6: Final answer
    x = 2,958.74

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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.