Home / 3,899.68-5,848.64-1,126.34

Finding the Fourth Proportional to 3,899.68, 5,848.64 and 1,126.34

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Solution

The fourth proportional to 3,899.68, 5,848.64 and 1,126.34 is: 1,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.68 : 5,848.64 = 1,126.34 : x
  2. Step 2: Convert to fraction form
    3,899.68/5,848.64 = 1,126.34/x
  3. Step 3: Cross multiply
    3,899.68x = 5,848.64 × 1,126.34
  4. Step 4: Simplify right side
    3,899.68x = 6,587,557.18
  5. Step 5: Solve for x
    x = 6,587,557.18/3,899.68
  6. Step 6: Final answer
    x = 1,689.26

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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.