Home / 1,417.14-2,126.19-897.54

Finding the Fourth Proportional to 1,417.14, 2,126.19 and 897.54

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Solution

The fourth proportional to 1,417.14, 2,126.19 and 897.54 is: 1,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.14 : 2,126.19 = 897.54 : x
  2. Step 2: Convert to fraction form
    1,417.14/2,126.19 = 897.54/x
  3. Step 3: Cross multiply
    1,417.14x = 2,126.19 × 897.54
  4. Step 4: Simplify right side
    1,417.14x = 1,908,340.57
  5. Step 5: Solve for x
    x = 1,908,340.57/1,417.14
  6. Step 6: Final answer
    x = 1,346.61

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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.