Home / 1,628.17-2,438.08-896.94

Finding the Fourth Proportional to 1,628.17, 2,438.08 and 896.94

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Solution

The fourth proportional to 1,628.17, 2,438.08 and 896.94 is: 1,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.17 : 2,438.08 = 896.94 : x
  2. Step 2: Convert to fraction form
    1,628.17/2,438.08 = 896.94/x
  3. Step 3: Cross multiply
    1,628.17x = 2,438.08 × 896.94
  4. Step 4: Simplify right side
    1,628.17x = 2,186,811.48
  5. Step 5: Solve for x
    x = 2,186,811.48/1,628.17
  6. Step 6: Final answer
    x = 1,343.11

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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.