Home / 1,718.20-2,368.22-1,314.29

Finding the Fourth Proportional to 1,718.20, 2,368.22 and 1,314.29

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Solution

The fourth proportional to 1,718.20, 2,368.22 and 1,314.29 is: 1,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.20 : 2,368.22 = 1,314.29 : x
  2. Step 2: Convert to fraction form
    1,718.20/2,368.22 = 1,314.29/x
  3. Step 3: Cross multiply
    1,718.20x = 2,368.22 × 1,314.29
  4. Step 4: Simplify right side
    1,718.20x = 3,112,530.16
  5. Step 5: Solve for x
    x = 3,112,530.16/1,718.20
  6. Step 6: Final answer
    x = 1,811.51

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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.