Home / 3,503.80-5,253.54-1,309.96

Finding the Fourth Proportional to 3,503.80, 5,253.54 and 1,309.96

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Solution

The fourth proportional to 3,503.80, 5,253.54 and 1,309.96 is: 1,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.80 : 5,253.54 = 1,309.96 : x
  2. Step 2: Convert to fraction form
    3,503.80/5,253.54 = 1,309.96/x
  3. Step 3: Cross multiply
    3,503.80x = 5,253.54 × 1,309.96
  4. Step 4: Simplify right side
    3,503.80x = 6,881,927.26
  5. Step 5: Solve for x
    x = 6,881,927.26/3,503.80
  6. Step 6: Final answer
    x = 1,964.13

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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.