Home / 2,745.18-4,117.35-896.31

Finding the Fourth Proportional to 2,745.18, 4,117.35 and 896.31

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Solution

The fourth proportional to 2,745.18, 4,117.35 and 896.31 is: 1,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.18 : 4,117.35 = 896.31 : x
  2. Step 2: Convert to fraction form
    2,745.18/4,117.35 = 896.31/x
  3. Step 3: Cross multiply
    2,745.18x = 4,117.35 × 896.31
  4. Step 4: Simplify right side
    2,745.18x = 3,690,421.98
  5. Step 5: Solve for x
    x = 3,690,421.98/2,745.18
  6. Step 6: Final answer
    x = 1,344.33

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1.5x scale

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.