Home / 2,818.50-4,202.76-2,617.62

Finding the Fourth Proportional to 2,818.50, 4,202.76 and 2,617.62

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Solution

The fourth proportional to 2,818.50, 4,202.76 and 2,617.62 is: 3,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.50 : 4,202.76 = 2,617.62 : x
  2. Step 2: Convert to fraction form
    2,818.50/4,202.76 = 2,617.62/x
  3. Step 3: Cross multiply
    2,818.50x = 4,202.76 × 2,617.62
  4. Step 4: Simplify right side
    2,818.50x = 11,001,228.63
  5. Step 5: Solve for x
    x = 11,001,228.63/2,818.50
  6. Step 6: Final answer
    x = 3,903.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.