Home / 3,549.16-5,325.56-1,908.91

Finding the Fourth Proportional to 3,549.16, 5,325.56 and 1,908.91

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Solution

The fourth proportional to 3,549.16, 5,325.56 and 1,908.91 is: 2,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.16 : 5,325.56 = 1,908.91 : x
  2. Step 2: Convert to fraction form
    3,549.16/5,325.56 = 1,908.91/x
  3. Step 3: Cross multiply
    3,549.16x = 5,325.56 × 1,908.91
  4. Step 4: Simplify right side
    3,549.16x = 10,166,006.20
  5. Step 5: Solve for x
    x = 10,166,006.20/3,549.16
  6. Step 6: Final answer
    x = 2,864.34

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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.