Home / 1,628.93-2,425.27-1,605.93

Finding the Fourth Proportional to 1,628.93, 2,425.27 and 1,605.93

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Solution

The fourth proportional to 1,628.93, 2,425.27 and 1,605.93 is: 2,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.93 : 2,425.27 = 1,605.93 : x
  2. Step 2: Convert to fraction form
    1,628.93/2,425.27 = 1,605.93/x
  3. Step 3: Cross multiply
    1,628.93x = 2,425.27 × 1,605.93
  4. Step 4: Simplify right side
    1,628.93x = 3,894,801.72
  5. Step 5: Solve for x
    x = 3,894,801.72/1,628.93
  6. Step 6: Final answer
    x = 2,391.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.