Home / 1,406.20-1,941.96-1,159.96

Finding the Fourth Proportional to 1,406.20, 1,941.96 and 1,159.96

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Solution

The fourth proportional to 1,406.20, 1,941.96 and 1,159.96 is: 1,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.20 : 1,941.96 = 1,159.96 : x
  2. Step 2: Convert to fraction form
    1,406.20/1,941.96 = 1,159.96/x
  3. Step 3: Cross multiply
    1,406.20x = 1,941.96 × 1,159.96
  4. Step 4: Simplify right side
    1,406.20x = 2,252,595.92
  5. Step 5: Solve for x
    x = 2,252,595.92/1,406.20
  6. Step 6: Final answer
    x = 1,601.90

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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.