Home / 3,323.40-4,985.10-2,958.60

Finding the Fourth Proportional to 3,323.40, 4,985.10 and 2,958.60

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Solution

The fourth proportional to 3,323.40, 4,985.10 and 2,958.60 is: 4,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.40 : 4,985.10 = 2,958.60 : x
  2. Step 2: Convert to fraction form
    3,323.40/4,985.10 = 2,958.60/x
  3. Step 3: Cross multiply
    3,323.40x = 4,985.10 × 2,958.60
  4. Step 4: Simplify right side
    3,323.40x = 14,748,916.86
  5. Step 5: Solve for x
    x = 14,748,916.86/3,323.40
  6. Step 6: Final answer
    x = 4,437.90

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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.