Home / 2,756.94-4,134.51-1,113.72

Finding the Fourth Proportional to 2,756.94, 4,134.51 and 1,113.72

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Solution

The fourth proportional to 2,756.94, 4,134.51 and 1,113.72 is: 1,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.94 : 4,134.51 = 1,113.72 : x
  2. Step 2: Convert to fraction form
    2,756.94/4,134.51 = 1,113.72/x
  3. Step 3: Cross multiply
    2,756.94x = 4,134.51 × 1,113.72
  4. Step 4: Simplify right side
    2,756.94x = 4,604,686.48
  5. Step 5: Solve for x
    x = 4,604,686.48/2,756.94
  6. Step 6: Final answer
    x = 1,670.22

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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.