Home / 2,817.13-4,219.54-1,718.16

Finding the Fourth Proportional to 2,817.13, 4,219.54 and 1,718.16

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Solution

The fourth proportional to 2,817.13, 4,219.54 and 1,718.16 is: 2,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.13 : 4,219.54 = 1,718.16 : x
  2. Step 2: Convert to fraction form
    2,817.13/4,219.54 = 1,718.16/x
  3. Step 3: Cross multiply
    2,817.13x = 4,219.54 × 1,718.16
  4. Step 4: Simplify right side
    2,817.13x = 7,249,858.13
  5. Step 5: Solve for x
    x = 7,249,858.13/2,817.13
  6. Step 6: Final answer
    x = 2,573.49

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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.