Home / 3,276.90-4,903.20-2,985.30

Finding the Fourth Proportional to 3,276.90, 4,903.20 and 2,985.30

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Solution

The fourth proportional to 3,276.90, 4,903.20 and 2,985.30 is: 4,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.90 : 4,903.20 = 2,985.30 : x
  2. Step 2: Convert to fraction form
    3,276.90/4,903.20 = 2,985.30/x
  3. Step 3: Cross multiply
    3,276.90x = 4,903.20 × 2,985.30
  4. Step 4: Simplify right side
    3,276.90x = 14,637,522.96
  5. Step 5: Solve for x
    x = 14,637,522.96/3,276.90
  6. Step 6: Final answer
    x = 4,466.88

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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.