Home / 2,050.18-3,071.77-1,126.51

Finding the Fourth Proportional to 2,050.18, 3,071.77 and 1,126.51

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Solution

The fourth proportional to 2,050.18, 3,071.77 and 1,126.51 is: 1,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.18 : 3,071.77 = 1,126.51 : x
  2. Step 2: Convert to fraction form
    2,050.18/3,071.77 = 1,126.51/x
  3. Step 3: Cross multiply
    2,050.18x = 3,071.77 × 1,126.51
  4. Step 4: Simplify right side
    2,050.18x = 3,460,369.13
  5. Step 5: Solve for x
    x = 3,460,369.13/2,050.18
  6. Step 6: Final answer
    x = 1,687.84

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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.