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Finding the Fourth Proportional to 1,713.09, 2,570.06 and 672.83

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Solution

The fourth proportional to 1,713.09, 2,570.06 and 672.83 is: 1,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.09 : 2,570.06 = 672.83 : x
  2. Step 2: Convert to fraction form
    1,713.09/2,570.06 = 672.83/x
  3. Step 3: Cross multiply
    1,713.09x = 2,570.06 × 672.83
  4. Step 4: Simplify right side
    1,713.09x = 1,729,213.47
  5. Step 5: Solve for x
    x = 1,729,213.47/1,713.09
  6. Step 6: Final answer
    x = 1,009.41

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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.