Home / 3,646.04-5,477.28-2,186.20

Finding the Fourth Proportional to 3,646.04, 5,477.28 and 2,186.20

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Solution

The fourth proportional to 3,646.04, 5,477.28 and 2,186.20 is: 3,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.04 : 5,477.28 = 2,186.20 : x
  2. Step 2: Convert to fraction form
    3,646.04/5,477.28 = 2,186.20/x
  3. Step 3: Cross multiply
    3,646.04x = 5,477.28 × 2,186.20
  4. Step 4: Simplify right side
    3,646.04x = 11,974,429.54
  5. Step 5: Solve for x
    x = 11,974,429.54/3,646.04
  6. Step 6: Final answer
    x = 3,284.23

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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.