Home / 3,338.16-4,607.28-1,941.12

Finding the Fourth Proportional to 3,338.16, 4,607.28 and 1,941.12

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Solution

The fourth proportional to 3,338.16, 4,607.28 and 1,941.12 is: 2,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.16 : 4,607.28 = 1,941.12 : x
  2. Step 2: Convert to fraction form
    3,338.16/4,607.28 = 1,941.12/x
  3. Step 3: Cross multiply
    3,338.16x = 4,607.28 × 1,941.12
  4. Step 4: Simplify right side
    3,338.16x = 8,943,283.35
  5. Step 5: Solve for x
    x = 8,943,283.35/3,338.16
  6. Step 6: Final answer
    x = 2,679.11

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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.