Home / 2,040.71-2,816.28-1,156.64

Finding the Fourth Proportional to 2,040.71, 2,816.28 and 1,156.64

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Solution

The fourth proportional to 2,040.71, 2,816.28 and 1,156.64 is: 1,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.71 : 2,816.28 = 1,156.64 : x
  2. Step 2: Convert to fraction form
    2,040.71/2,816.28 = 1,156.64/x
  3. Step 3: Cross multiply
    2,040.71x = 2,816.28 × 1,156.64
  4. Step 4: Simplify right side
    2,040.71x = 3,257,408.02
  5. Step 5: Solve for x
    x = 3,257,408.02/2,040.71
  6. Step 6: Final answer
    x = 1,596.22

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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.