Home / 1,347.20-2,016.48-697.04

Finding the Fourth Proportional to 1,347.20, 2,016.48 and 697.04

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Solution

The fourth proportional to 1,347.20, 2,016.48 and 697.04 is: 1,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.20 : 2,016.48 = 697.04 : x
  2. Step 2: Convert to fraction form
    1,347.20/2,016.48 = 697.04/x
  3. Step 3: Cross multiply
    1,347.20x = 2,016.48 × 697.04
  4. Step 4: Simplify right side
    1,347.20x = 1,405,567.22
  5. Step 5: Solve for x
    x = 1,405,567.22/1,347.20
  6. Step 6: Final answer
    x = 1,043.32

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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.