Home / 3,651.19-5,038.91-2,079.39

Finding the Fourth Proportional to 3,651.19, 5,038.91 and 2,079.39

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Solution

The fourth proportional to 3,651.19, 5,038.91 and 2,079.39 is: 2,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.19 : 5,038.91 = 2,079.39 : x
  2. Step 2: Convert to fraction form
    3,651.19/5,038.91 = 2,079.39/x
  3. Step 3: Cross multiply
    3,651.19x = 5,038.91 × 2,079.39
  4. Step 4: Simplify right side
    3,651.19x = 10,477,823.47
  5. Step 5: Solve for x
    x = 10,477,823.47/3,651.19
  6. Step 6: Final answer
    x = 2,869.70

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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.