Home / 3,320.14-4,980.60-1,130.44

Finding the Fourth Proportional to 3,320.14, 4,980.60 and 1,130.44

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Solution

The fourth proportional to 3,320.14, 4,980.60 and 1,130.44 is: 1,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.14 : 4,980.60 = 1,130.44 : x
  2. Step 2: Convert to fraction form
    3,320.14/4,980.60 = 1,130.44/x
  3. Step 3: Cross multiply
    3,320.14x = 4,980.60 × 1,130.44
  4. Step 4: Simplify right side
    3,320.14x = 5,630,269.46
  5. Step 5: Solve for x
    x = 5,630,269.46/3,320.14
  6. Step 6: Final answer
    x = 1,695.79

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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.