Home / 3,501.14-5,251.30-1,309.28

Finding the Fourth Proportional to 3,501.14, 5,251.30 and 1,309.28

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Solution

The fourth proportional to 3,501.14, 5,251.30 and 1,309.28 is: 1,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.14 : 5,251.30 = 1,309.28 : x
  2. Step 2: Convert to fraction form
    3,501.14/5,251.30 = 1,309.28/x
  3. Step 3: Cross multiply
    3,501.14x = 5,251.30 × 1,309.28
  4. Step 4: Simplify right side
    3,501.14x = 6,875,431.92
  5. Step 5: Solve for x
    x = 6,875,431.92/3,501.14
  6. Step 6: Final answer
    x = 1,963.77

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1.5x scale

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.