Home / 1,713.48-2,364.63-1,005.75

Finding the Fourth Proportional to 1,713.48, 2,364.63 and 1,005.75

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Solution

The fourth proportional to 1,713.48, 2,364.63 and 1,005.75 is: 1,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.48 : 2,364.63 = 1,005.75 : x
  2. Step 2: Convert to fraction form
    1,713.48/2,364.63 = 1,005.75/x
  3. Step 3: Cross multiply
    1,713.48x = 2,364.63 × 1,005.75
  4. Step 4: Simplify right side
    1,713.48x = 2,378,226.62
  5. Step 5: Solve for x
    x = 2,378,226.62/1,713.48
  6. Step 6: Final answer
    x = 1,387.95

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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.