Home / 3,345.13-5,010.86-1,563.64

Finding the Fourth Proportional to 3,345.13, 5,010.86 and 1,563.64

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Solution

The fourth proportional to 3,345.13, 5,010.86 and 1,563.64 is: 2,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.13 : 5,010.86 = 1,563.64 : x
  2. Step 2: Convert to fraction form
    3,345.13/5,010.86 = 1,563.64/x
  3. Step 3: Cross multiply
    3,345.13x = 5,010.86 × 1,563.64
  4. Step 4: Simplify right side
    3,345.13x = 7,835,173.31
  5. Step 5: Solve for x
    x = 7,835,173.31/3,345.13
  6. Step 6: Final answer
    x = 2,342.26

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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.