Home / 2,756.07-3,800.75-1,812.66

Finding the Fourth Proportional to 2,756.07, 3,800.75 and 1,812.66

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Solution

The fourth proportional to 2,756.07, 3,800.75 and 1,812.66 is: 2,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.07 : 3,800.75 = 1,812.66 : x
  2. Step 2: Convert to fraction form
    2,756.07/3,800.75 = 1,812.66/x
  3. Step 3: Cross multiply
    2,756.07x = 3,800.75 × 1,812.66
  4. Step 4: Simplify right side
    2,756.07x = 6,889,444.18
  5. Step 5: Solve for x
    x = 6,889,444.18/2,756.07
  6. Step 6: Final answer
    x = 2,499.73

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1.5x scale

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.