Home / 2,895.12-4,342.68-1,045.98

Finding the Fourth Proportional to 2,895.12, 4,342.68 and 1,045.98

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Solution

The fourth proportional to 2,895.12, 4,342.68 and 1,045.98 is: 1,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.12 : 4,342.68 = 1,045.98 : x
  2. Step 2: Convert to fraction form
    2,895.12/4,342.68 = 1,045.98/x
  3. Step 3: Cross multiply
    2,895.12x = 4,342.68 × 1,045.98
  4. Step 4: Simplify right side
    2,895.12x = 4,542,356.43
  5. Step 5: Solve for x
    x = 4,542,356.43/2,895.12
  6. Step 6: Final answer
    x = 1,568.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.