Home / 2,980.18-4,462.62-2,892.61

Finding the Fourth Proportional to 2,980.18, 4,462.62 and 2,892.61

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Solution

The fourth proportional to 2,980.18, 4,462.62 and 2,892.61 is: 4,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.18 : 4,462.62 = 2,892.61 : x
  2. Step 2: Convert to fraction form
    2,980.18/4,462.62 = 2,892.61/x
  3. Step 3: Cross multiply
    2,980.18x = 4,462.62 × 2,892.61
  4. Step 4: Simplify right side
    2,980.18x = 12,908,619.24
  5. Step 5: Solve for x
    x = 12,908,619.24/2,980.18
  6. Step 6: Final answer
    x = 4,331.49

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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.