Home / 3,319.48-4,988.94-3,078.10

Finding the Fourth Proportional to 3,319.48, 4,988.94 and 3,078.10

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Solution

The fourth proportional to 3,319.48, 4,988.94 and 3,078.10 is: 4,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.48 : 4,988.94 = 3,078.10 : x
  2. Step 2: Convert to fraction form
    3,319.48/4,988.94 = 3,078.10/x
  3. Step 3: Cross multiply
    3,319.48x = 4,988.94 × 3,078.10
  4. Step 4: Simplify right side
    3,319.48x = 15,356,456.21
  5. Step 5: Solve for x
    x = 15,356,456.21/3,319.48
  6. Step 6: Final answer
    x = 4,626.16

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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.