Home / 3,353.09-5,031.21-1,710.81

Finding the Fourth Proportional to 3,353.09, 5,031.21 and 1,710.81

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Solution

The fourth proportional to 3,353.09, 5,031.21 and 1,710.81 is: 2,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.09 : 5,031.21 = 1,710.81 : x
  2. Step 2: Convert to fraction form
    3,353.09/5,031.21 = 1,710.81/x
  3. Step 3: Cross multiply
    3,353.09x = 5,031.21 × 1,710.81
  4. Step 4: Simplify right side
    3,353.09x = 8,607,444.38
  5. Step 5: Solve for x
    x = 8,607,444.38/3,353.09
  6. Step 6: Final answer
    x = 2,567.02

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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.