Home / 3,646.11-5,029.88-2,386.61

Finding the Fourth Proportional to 3,646.11, 5,029.88 and 2,386.61

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Solution

The fourth proportional to 3,646.11, 5,029.88 and 2,386.61 is: 3,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.11 : 5,029.88 = 2,386.61 : x
  2. Step 2: Convert to fraction form
    3,646.11/5,029.88 = 2,386.61/x
  3. Step 3: Cross multiply
    3,646.11x = 5,029.88 × 2,386.61
  4. Step 4: Simplify right side
    3,646.11x = 12,004,343.37
  5. Step 5: Solve for x
    x = 12,004,343.37/3,646.11
  6. Step 6: Final answer
    x = 3,292.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.