Home / 1,417.24-2,121.41-895.44

Finding the Fourth Proportional to 1,417.24, 2,121.41 and 895.44

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Solution

The fourth proportional to 1,417.24, 2,121.41 and 895.44 is: 1,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.24 : 2,121.41 = 895.44 : x
  2. Step 2: Convert to fraction form
    1,417.24/2,121.41 = 895.44/x
  3. Step 3: Cross multiply
    1,417.24x = 2,121.41 × 895.44
  4. Step 4: Simplify right side
    1,417.24x = 1,899,595.37
  5. Step 5: Solve for x
    x = 1,899,595.37/1,417.24
  6. Step 6: Final answer
    x = 1,340.35

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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.