Home / 2,958.32-4,439.10-1,985.24

Finding the Fourth Proportional to 2,958.32, 4,439.10 and 1,985.24

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Solution

The fourth proportional to 2,958.32, 4,439.10 and 1,985.24 is: 2,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.32 : 4,439.10 = 1,985.24 : x
  2. Step 2: Convert to fraction form
    2,958.32/4,439.10 = 1,985.24/x
  3. Step 3: Cross multiply
    2,958.32x = 4,439.10 × 1,985.24
  4. Step 4: Simplify right side
    2,958.32x = 8,812,678.88
  5. Step 5: Solve for x
    x = 8,812,678.88/2,958.32
  6. Step 6: Final answer
    x = 2,978.95

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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.