Home / 1,812.11-2,500.67-1,026.15

Finding the Fourth Proportional to 1,812.11, 2,500.67 and 1,026.15

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Solution

The fourth proportional to 1,812.11, 2,500.67 and 1,026.15 is: 1,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.11 : 2,500.67 = 1,026.15 : x
  2. Step 2: Convert to fraction form
    1,812.11/2,500.67 = 1,026.15/x
  3. Step 3: Cross multiply
    1,812.11x = 2,500.67 × 1,026.15
  4. Step 4: Simplify right side
    1,812.11x = 2,566,057.39
  5. Step 5: Solve for x
    x = 2,566,057.39/1,812.11
  6. Step 6: Final answer
    x = 1,416.06

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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.