Home / 3,353.60-5,030.84-1,709.28

Finding the Fourth Proportional to 3,353.60, 5,030.84 and 1,709.28

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Solution

The fourth proportional to 3,353.60, 5,030.84 and 1,709.28 is: 2,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.60 : 5,030.84 = 1,709.28 : x
  2. Step 2: Convert to fraction form
    3,353.60/5,030.84 = 1,709.28/x
  3. Step 3: Cross multiply
    3,353.60x = 5,030.84 × 1,709.28
  4. Step 4: Simplify right side
    3,353.60x = 8,599,114.20
  5. Step 5: Solve for x
    x = 8,599,114.20/3,353.60
  6. Step 6: Final answer
    x = 2,564.14

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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.