Home / 3,420.16-4,718.64-2,241.92

Finding the Fourth Proportional to 3,420.16, 4,718.64 and 2,241.92

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Solution

The fourth proportional to 3,420.16, 4,718.64 and 2,241.92 is: 3,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.16 : 4,718.64 = 2,241.92 : x
  2. Step 2: Convert to fraction form
    3,420.16/4,718.64 = 2,241.92/x
  3. Step 3: Cross multiply
    3,420.16x = 4,718.64 × 2,241.92
  4. Step 4: Simplify right side
    3,420.16x = 10,578,813.39
  5. Step 5: Solve for x
    x = 10,578,813.39/3,420.16
  6. Step 6: Final answer
    x = 3,093.08

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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.