Home / 3,330.39-4,992.75-1,574.49

Finding the Fourth Proportional to 3,330.39, 4,992.75 and 1,574.49

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Solution

The fourth proportional to 3,330.39, 4,992.75 and 1,574.49 is: 2,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.39 : 4,992.75 = 1,574.49 : x
  2. Step 2: Convert to fraction form
    3,330.39/4,992.75 = 1,574.49/x
  3. Step 3: Cross multiply
    3,330.39x = 4,992.75 × 1,574.49
  4. Step 4: Simplify right side
    3,330.39x = 7,861,034.95
  5. Step 5: Solve for x
    x = 7,861,034.95/3,330.39
  6. Step 6: Final answer
    x = 2,360.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.