Home / 3,311.64-4,569.89-1,895.36

Finding the Fourth Proportional to 3,311.64, 4,569.89 and 1,895.36

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Solution

The fourth proportional to 3,311.64, 4,569.89 and 1,895.36 is: 2,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.64 : 4,569.89 = 1,895.36 : x
  2. Step 2: Convert to fraction form
    3,311.64/4,569.89 = 1,895.36/x
  3. Step 3: Cross multiply
    3,311.64x = 4,569.89 × 1,895.36
  4. Step 4: Simplify right side
    3,311.64x = 8,661,554.38
  5. Step 5: Solve for x
    x = 8,661,554.38/3,311.64
  6. Step 6: Final answer
    x = 2,615.49

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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.