Home / 1,812.41-2,500.87-1,065.93

Finding the Fourth Proportional to 1,812.41, 2,500.87 and 1,065.93

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Solution

The fourth proportional to 1,812.41, 2,500.87 and 1,065.93 is: 1,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.41 : 2,500.87 = 1,065.93 : x
  2. Step 2: Convert to fraction form
    1,812.41/2,500.87 = 1,065.93/x
  3. Step 3: Cross multiply
    1,812.41x = 2,500.87 × 1,065.93
  4. Step 4: Simplify right side
    1,812.41x = 2,665,752.36
  5. Step 5: Solve for x
    x = 2,665,752.36/1,812.41
  6. Step 6: Final answer
    x = 1,470.83

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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.