Home / 2,424.44-3,347.34-1,638.20

Finding the Fourth Proportional to 2,424.44, 3,347.34 and 1,638.20

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Solution

The fourth proportional to 2,424.44, 3,347.34 and 1,638.20 is: 2,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.44 : 3,347.34 = 1,638.20 : x
  2. Step 2: Convert to fraction form
    2,424.44/3,347.34 = 1,638.20/x
  3. Step 3: Cross multiply
    2,424.44x = 3,347.34 × 1,638.20
  4. Step 4: Simplify right side
    2,424.44x = 5,483,612.39
  5. Step 5: Solve for x
    x = 5,483,612.39/2,424.44
  6. Step 6: Final answer
    x = 2,261.81

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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.