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Finding the Fourth Proportional to 1,701.64, 2,348.09 and 993.30

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Solution

The fourth proportional to 1,701.64, 2,348.09 and 993.30 is: 1,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.64 : 2,348.09 = 993.30 : x
  2. Step 2: Convert to fraction form
    1,701.64/2,348.09 = 993.30/x
  3. Step 3: Cross multiply
    1,701.64x = 2,348.09 × 993.30
  4. Step 4: Simplify right side
    1,701.64x = 2,332,347.75
  5. Step 5: Solve for x
    x = 2,332,347.75/1,701.64
  6. Step 6: Final answer
    x = 1,370.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.