Home / 3,577.86-4,930.71-2,581.40

Finding the Fourth Proportional to 3,577.86, 4,930.71 and 2,581.40

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Solution

The fourth proportional to 3,577.86, 4,930.71 and 2,581.40 is: 3,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.86 : 4,930.71 = 2,581.40 : x
  2. Step 2: Convert to fraction form
    3,577.86/4,930.71 = 2,581.40/x
  3. Step 3: Cross multiply
    3,577.86x = 4,930.71 × 2,581.40
  4. Step 4: Simplify right side
    3,577.86x = 12,728,110.14
  5. Step 5: Solve for x
    x = 12,728,110.14/3,577.86
  6. Step 6: Final answer
    x = 3,557.46

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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.