Home / 2,468.48-3,407.36-1,420.96

Finding the Fourth Proportional to 2,468.48, 3,407.36 and 1,420.96

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Solution

The fourth proportional to 2,468.48, 3,407.36 and 1,420.96 is: 1,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.48 : 3,407.36 = 1,420.96 : x
  2. Step 2: Convert to fraction form
    2,468.48/3,407.36 = 1,420.96/x
  3. Step 3: Cross multiply
    2,468.48x = 3,407.36 × 1,420.96
  4. Step 4: Simplify right side
    2,468.48x = 4,841,722.27
  5. Step 5: Solve for x
    x = 4,841,722.27/2,468.48
  6. Step 6: Final answer
    x = 1,961.42

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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.