Home / 2,420.10-3,329.37-2,374.74

Finding the Fourth Proportional to 2,420.10, 3,329.37 and 2,374.74

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Solution

The fourth proportional to 2,420.10, 3,329.37 and 2,374.74 is: 3,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.10 : 3,329.37 = 2,374.74 : x
  2. Step 2: Convert to fraction form
    2,420.10/3,329.37 = 2,374.74/x
  3. Step 3: Cross multiply
    2,420.10x = 3,329.37 × 2,374.74
  4. Step 4: Simplify right side
    2,420.10x = 7,906,388.11
  5. Step 5: Solve for x
    x = 7,906,388.11/2,420.10
  6. Step 6: Final answer
    x = 3,266.97

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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.