Home / 3,500.99-5,252.40-1,309.89

Finding the Fourth Proportional to 3,500.99, 5,252.40 and 1,309.89

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Solution

The fourth proportional to 3,500.99, 5,252.40 and 1,309.89 is: 1,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.99 : 5,252.40 = 1,309.89 : x
  2. Step 2: Convert to fraction form
    3,500.99/5,252.40 = 1,309.89/x
  3. Step 3: Cross multiply
    3,500.99x = 5,252.40 × 1,309.89
  4. Step 4: Simplify right side
    3,500.99x = 6,880,085.93
  5. Step 5: Solve for x
    x = 6,880,085.93/3,500.99
  6. Step 6: Final answer
    x = 1,965.18

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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.