Home / 1,627.29-2,436.08-1,455.57

Finding the Fourth Proportional to 1,627.29, 2,436.08 and 1,455.57

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Solution

The fourth proportional to 1,627.29, 2,436.08 and 1,455.57 is: 2,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.29 : 2,436.08 = 1,455.57 : x
  2. Step 2: Convert to fraction form
    1,627.29/2,436.08 = 1,455.57/x
  3. Step 3: Cross multiply
    1,627.29x = 2,436.08 × 1,455.57
  4. Step 4: Simplify right side
    1,627.29x = 3,545,877.69
  5. Step 5: Solve for x
    x = 3,545,877.69/1,627.29
  6. Step 6: Final answer
    x = 2,179.01

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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.