Home / 3,651.80-5,038.88-2,079.59

Finding the Fourth Proportional to 3,651.80, 5,038.88 and 2,079.59

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Solution

The fourth proportional to 3,651.80, 5,038.88 and 2,079.59 is: 2,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.80 : 5,038.88 = 2,079.59 : x
  2. Step 2: Convert to fraction form
    3,651.80/5,038.88 = 2,079.59/x
  3. Step 3: Cross multiply
    3,651.80x = 5,038.88 × 2,079.59
  4. Step 4: Simplify right side
    3,651.80x = 10,478,768.87
  5. Step 5: Solve for x
    x = 10,478,768.87/3,651.80
  6. Step 6: Final answer
    x = 2,869.48

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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.