Home / 3,650.29-5,476.14-1,309.66

Finding the Fourth Proportional to 3,650.29, 5,476.14 and 1,309.66

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Solution

The fourth proportional to 3,650.29, 5,476.14 and 1,309.66 is: 1,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.29 : 5,476.14 = 1,309.66 : x
  2. Step 2: Convert to fraction form
    3,650.29/5,476.14 = 1,309.66/x
  3. Step 3: Cross multiply
    3,650.29x = 5,476.14 × 1,309.66
  4. Step 4: Simplify right side
    3,650.29x = 7,171,881.51
  5. Step 5: Solve for x
    x = 7,171,881.51/3,650.29
  6. Step 6: Final answer
    x = 1,964.74

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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.