Home / 2,898.56-3,996.99-2,480.29

Finding the Fourth Proportional to 2,898.56, 3,996.99 and 2,480.29

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Solution

The fourth proportional to 2,898.56, 3,996.99 and 2,480.29 is: 3,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.56 : 3,996.99 = 2,480.29 : x
  2. Step 2: Convert to fraction form
    2,898.56/3,996.99 = 2,480.29/x
  3. Step 3: Cross multiply
    2,898.56x = 3,996.99 × 2,480.29
  4. Step 4: Simplify right side
    2,898.56x = 9,913,684.33
  5. Step 5: Solve for x
    x = 9,913,684.33/2,898.56
  6. Step 6: Final answer
    x = 3,420.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.