Home / 1,603.52-2,212.75-895.38

Finding the Fourth Proportional to 1,603.52, 2,212.75 and 895.38

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Solution

The fourth proportional to 1,603.52, 2,212.75 and 895.38 is: 1,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.52 : 2,212.75 = 895.38 : x
  2. Step 2: Convert to fraction form
    1,603.52/2,212.75 = 895.38/x
  3. Step 3: Cross multiply
    1,603.52x = 2,212.75 × 895.38
  4. Step 4: Simplify right side
    1,603.52x = 1,981,252.10
  5. Step 5: Solve for x
    x = 1,981,252.10/1,603.52
  6. Step 6: Final answer
    x = 1,235.56

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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.