Home / 2,895.12-3,995.04-1,636.11

Finding the Fourth Proportional to 2,895.12, 3,995.04 and 1,636.11

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Solution

The fourth proportional to 2,895.12, 3,995.04 and 1,636.11 is: 2,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.12 : 3,995.04 = 1,636.11 : x
  2. Step 2: Convert to fraction form
    2,895.12/3,995.04 = 1,636.11/x
  3. Step 3: Cross multiply
    2,895.12x = 3,995.04 × 1,636.11
  4. Step 4: Simplify right side
    2,895.12x = 6,536,324.89
  5. Step 5: Solve for x
    x = 6,536,324.89/2,895.12
  6. Step 6: Final answer
    x = 2,257.70

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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.