Home / 3,365.30-5,048.75-1,056.80

Finding the Fourth Proportional to 3,365.30, 5,048.75 and 1,056.80

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Solution

The fourth proportional to 3,365.30, 5,048.75 and 1,056.80 is: 1,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.30 : 5,048.75 = 1,056.80 : x
  2. Step 2: Convert to fraction form
    3,365.30/5,048.75 = 1,056.80/x
  3. Step 3: Cross multiply
    3,365.30x = 5,048.75 × 1,056.80
  4. Step 4: Simplify right side
    3,365.30x = 5,335,534.26
  5. Step 5: Solve for x
    x = 5,335,534.26/3,365.30
  6. Step 6: Final answer
    x = 1,585.45

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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.