Home / 3,618.95-4,992.48-2,501.45

Finding the Fourth Proportional to 3,618.95, 4,992.48 and 2,501.45

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Solution

The fourth proportional to 3,618.95, 4,992.48 and 2,501.45 is: 3,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.95 : 4,992.48 = 2,501.45 : x
  2. Step 2: Convert to fraction form
    3,618.95/4,992.48 = 2,501.45/x
  3. Step 3: Cross multiply
    3,618.95x = 4,992.48 × 2,501.45
  4. Step 4: Simplify right side
    3,618.95x = 12,488,414.13
  5. Step 5: Solve for x
    x = 12,488,414.13/3,618.95
  6. Step 6: Final answer
    x = 3,450.84

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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.