Home / 1,660.56-2,476.74-1,631.40

Finding the Fourth Proportional to 1,660.56, 2,476.74 and 1,631.40

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Solution

The fourth proportional to 1,660.56, 2,476.74 and 1,631.40 is: 2,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.56 : 2,476.74 = 1,631.40 : x
  2. Step 2: Convert to fraction form
    1,660.56/2,476.74 = 1,631.40/x
  3. Step 3: Cross multiply
    1,660.56x = 2,476.74 × 1,631.40
  4. Step 4: Simplify right side
    1,660.56x = 4,040,553.64
  5. Step 5: Solve for x
    x = 4,040,553.64/1,660.56
  6. Step 6: Final answer
    x = 2,433.25

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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.