Home / 3,345.40-5,021.19-1,703.13

Finding the Fourth Proportional to 3,345.40, 5,021.19 and 1,703.13

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Solution

The fourth proportional to 3,345.40, 5,021.19 and 1,703.13 is: 2,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.40 : 5,021.19 = 1,703.13 : x
  2. Step 2: Convert to fraction form
    3,345.40/5,021.19 = 1,703.13/x
  3. Step 3: Cross multiply
    3,345.40x = 5,021.19 × 1,703.13
  4. Step 4: Simplify right side
    3,345.40x = 8,551,730.81
  5. Step 5: Solve for x
    x = 8,551,730.81/3,345.40
  6. Step 6: Final answer
    x = 2,556.27

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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.