Home / 2,126.66-3,190.19-1,030.05

Finding the Fourth Proportional to 2,126.66, 3,190.19 and 1,030.05

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Solution

The fourth proportional to 2,126.66, 3,190.19 and 1,030.05 is: 1,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.66 : 3,190.19 = 1,030.05 : x
  2. Step 2: Convert to fraction form
    2,126.66/3,190.19 = 1,030.05/x
  3. Step 3: Cross multiply
    2,126.66x = 3,190.19 × 1,030.05
  4. Step 4: Simplify right side
    2,126.66x = 3,286,050.06
  5. Step 5: Solve for x
    x = 3,286,050.06/2,126.66
  6. Step 6: Final answer
    x = 1,545.17

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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.