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Finding the Fourth Proportional to 1,623.79, 2,437.94 and 833.71

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Solution

The fourth proportional to 1,623.79, 2,437.94 and 833.71 is: 1,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.79 : 2,437.94 = 833.71 : x
  2. Step 2: Convert to fraction form
    1,623.79/2,437.94 = 833.71/x
  3. Step 3: Cross multiply
    1,623.79x = 2,437.94 × 833.71
  4. Step 4: Simplify right side
    1,623.79x = 2,032,524.69
  5. Step 5: Solve for x
    x = 2,032,524.69/1,623.79
  6. Step 6: Final answer
    x = 1,251.72

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1.5x scale

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.