Home / 3,320.16-4,980.26-1,345.83

Finding the Fourth Proportional to 3,320.16, 4,980.26 and 1,345.83

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Solution

The fourth proportional to 3,320.16, 4,980.26 and 1,345.83 is: 2,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.16 : 4,980.26 = 1,345.83 : x
  2. Step 2: Convert to fraction form
    3,320.16/4,980.26 = 1,345.83/x
  3. Step 3: Cross multiply
    3,320.16x = 4,980.26 × 1,345.83
  4. Step 4: Simplify right side
    3,320.16x = 6,702,576.59
  5. Step 5: Solve for x
    x = 6,702,576.59/3,320.16
  6. Step 6: Final answer
    x = 2,018.75

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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.