Home / 3,204.30-4,813.65-3,117.90

Finding the Fourth Proportional to 3,204.30, 4,813.65 and 3,117.90

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Solution

The fourth proportional to 3,204.30, 4,813.65 and 3,117.90 is: 4,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.30 : 4,813.65 = 3,117.90 : x
  2. Step 2: Convert to fraction form
    3,204.30/4,813.65 = 3,117.90/x
  3. Step 3: Cross multiply
    3,204.30x = 4,813.65 × 3,117.90
  4. Step 4: Simplify right side
    3,204.30x = 15,008,479.34
  5. Step 5: Solve for x
    x = 15,008,479.34/3,204.30
  6. Step 6: Final answer
    x = 4,683.86

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1.5x scale

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.