Home / 2,871.16-4,307.52-2,288.36

Finding the Fourth Proportional to 2,871.16, 4,307.52 and 2,288.36

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Solution

The fourth proportional to 2,871.16, 4,307.52 and 2,288.36 is: 3,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.16 : 4,307.52 = 2,288.36 : x
  2. Step 2: Convert to fraction form
    2,871.16/4,307.52 = 2,288.36/x
  3. Step 3: Cross multiply
    2,871.16x = 4,307.52 × 2,288.36
  4. Step 4: Simplify right side
    2,871.16x = 9,857,156.47
  5. Step 5: Solve for x
    x = 9,857,156.47/2,871.16
  6. Step 6: Final answer
    x = 3,433.16

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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.