Home / 3,319.78-4,969.95-2,329.18

Finding the Fourth Proportional to 3,319.78, 4,969.95 and 2,329.18

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Solution

The fourth proportional to 3,319.78, 4,969.95 and 2,329.18 is: 3,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.78 : 4,969.95 = 2,329.18 : x
  2. Step 2: Convert to fraction form
    3,319.78/4,969.95 = 2,329.18/x
  3. Step 3: Cross multiply
    3,319.78x = 4,969.95 × 2,329.18
  4. Step 4: Simplify right side
    3,319.78x = 11,575,908.14
  5. Step 5: Solve for x
    x = 11,575,908.14/3,319.78
  6. Step 6: Final answer
    x = 3,486.95

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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.