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Finding the Fourth Proportional to 1,700.82, 2,347.13 and 993.15

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Solution

The fourth proportional to 1,700.82, 2,347.13 and 993.15 is: 1,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.82 : 2,347.13 = 993.15 : x
  2. Step 2: Convert to fraction form
    1,700.82/2,347.13 = 993.15/x
  3. Step 3: Cross multiply
    1,700.82x = 2,347.13 × 993.15
  4. Step 4: Simplify right side
    1,700.82x = 2,331,047.19
  5. Step 5: Solve for x
    x = 2,331,047.19/1,700.82
  6. Step 6: Final answer
    x = 1,370.54

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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.