Home / 1,716.18-2,368.92-1,275.54

Finding the Fourth Proportional to 1,716.18, 2,368.92 and 1,275.54

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Solution

The fourth proportional to 1,716.18, 2,368.92 and 1,275.54 is: 1,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.18 : 2,368.92 = 1,275.54 : x
  2. Step 2: Convert to fraction form
    1,716.18/2,368.92 = 1,275.54/x
  3. Step 3: Cross multiply
    1,716.18x = 2,368.92 × 1,275.54
  4. Step 4: Simplify right side
    1,716.18x = 3,021,652.22
  5. Step 5: Solve for x
    x = 3,021,652.22/1,716.18
  6. Step 6: Final answer
    x = 1,760.68

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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.