Home / 3,436-4,742.22-2,038.48

Finding the Fourth Proportional to 3,436, 4,742.22 and 2,038.48

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Solution

The fourth proportional to 3,436, 4,742.22 and 2,038.48 is: 2,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436 : 4,742.22 = 2,038.48 : x
  2. Step 2: Convert to fraction form
    3,436/4,742.22 = 2,038.48/x
  3. Step 3: Cross multiply
    3,436x = 4,742.22 × 2,038.48
  4. Step 4: Simplify right side
    3,436x = 9,666,920.63
  5. Step 5: Solve for x
    x = 9,666,920.63/3,436
  6. Step 6: Final answer
    x = 2,813.42

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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.