Home / 2,895.15-3,995.07-1,636.31

Finding the Fourth Proportional to 2,895.15, 3,995.07 and 1,636.31

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Solution

The fourth proportional to 2,895.15, 3,995.07 and 1,636.31 is: 2,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.15 : 3,995.07 = 1,636.31 : x
  2. Step 2: Convert to fraction form
    2,895.15/3,995.07 = 1,636.31/x
  3. Step 3: Cross multiply
    2,895.15x = 3,995.07 × 1,636.31
  4. Step 4: Simplify right side
    2,895.15x = 6,537,182.98
  5. Step 5: Solve for x
    x = 6,537,182.98/2,895.15
  6. Step 6: Final answer
    x = 2,257.98

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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.