Home / 3,646.27-5,033.51-2,153.71

Finding the Fourth Proportional to 3,646.27, 5,033.51 and 2,153.71

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Solution

The fourth proportional to 3,646.27, 5,033.51 and 2,153.71 is: 2,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.27 : 5,033.51 = 2,153.71 : x
  2. Step 2: Convert to fraction form
    3,646.27/5,033.51 = 2,153.71/x
  3. Step 3: Cross multiply
    3,646.27x = 5,033.51 × 2,153.71
  4. Step 4: Simplify right side
    3,646.27x = 10,840,720.82
  5. Step 5: Solve for x
    x = 10,840,720.82/3,646.27
  6. Step 6: Final answer
    x = 2,973.10

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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.