Home / 3,633.12-5,013.09-2,140.47

Finding the Fourth Proportional to 3,633.12, 5,013.09 and 2,140.47

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Solution

The fourth proportional to 3,633.12, 5,013.09 and 2,140.47 is: 2,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.12 : 5,013.09 = 2,140.47 : x
  2. Step 2: Convert to fraction form
    3,633.12/5,013.09 = 2,140.47/x
  3. Step 3: Cross multiply
    3,633.12x = 5,013.09 × 2,140.47
  4. Step 4: Simplify right side
    3,633.12x = 10,730,368.75
  5. Step 5: Solve for x
    x = 10,730,368.75/3,633.12
  6. Step 6: Final answer
    x = 2,953.49

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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.