Home / 2,353.79-3,530.66-1,313.28

Finding the Fourth Proportional to 2,353.79, 3,530.66 and 1,313.28

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Solution

The fourth proportional to 2,353.79, 3,530.66 and 1,313.28 is: 1,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.79 : 3,530.66 = 1,313.28 : x
  2. Step 2: Convert to fraction form
    2,353.79/3,530.66 = 1,313.28/x
  3. Step 3: Cross multiply
    2,353.79x = 3,530.66 × 1,313.28
  4. Step 4: Simplify right side
    2,353.79x = 4,636,738.60
  5. Step 5: Solve for x
    x = 4,636,738.60/2,353.79
  6. Step 6: Final answer
    x = 1,969.90

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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.