Home / 1,713.42-2,570.06-1,191.92

Finding the Fourth Proportional to 1,713.42, 2,570.06 and 1,191.92

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Solution

The fourth proportional to 1,713.42, 2,570.06 and 1,191.92 is: 1,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.42 : 2,570.06 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    1,713.42/2,570.06 = 1,191.92/x
  3. Step 3: Cross multiply
    1,713.42x = 2,570.06 × 1,191.92
  4. Step 4: Simplify right side
    1,713.42x = 3,063,287.11
  5. Step 5: Solve for x
    x = 3,063,287.11/1,713.42
  6. Step 6: Final answer
    x = 1,787.82

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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.