Home / 3,338.64-4,603.44-2,142.08

Finding the Fourth Proportional to 3,338.64, 4,603.44 and 2,142.08

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Solution

The fourth proportional to 3,338.64, 4,603.44 and 2,142.08 is: 2,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.64 : 4,603.44 = 2,142.08 : x
  2. Step 2: Convert to fraction form
    3,338.64/4,603.44 = 2,142.08/x
  3. Step 3: Cross multiply
    3,338.64x = 4,603.44 × 2,142.08
  4. Step 4: Simplify right side
    3,338.64x = 9,860,936.76
  5. Step 5: Solve for x
    x = 9,860,936.76/3,338.64
  6. Step 6: Final answer
    x = 2,953.58

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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.