Home / 3,360.72-5,041.80-1,281.36

Finding the Fourth Proportional to 3,360.72, 5,041.80 and 1,281.36

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Solution

The fourth proportional to 3,360.72, 5,041.80 and 1,281.36 is: 1,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.72 : 5,041.80 = 1,281.36 : x
  2. Step 2: Convert to fraction form
    3,360.72/5,041.80 = 1,281.36/x
  3. Step 3: Cross multiply
    3,360.72x = 5,041.80 × 1,281.36
  4. Step 4: Simplify right side
    3,360.72x = 6,460,360.85
  5. Step 5: Solve for x
    x = 6,460,360.85/3,360.72
  6. Step 6: Final answer
    x = 1,922.31

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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.