Home / 3,549.46-5,323.64-1,988.50

Finding the Fourth Proportional to 3,549.46, 5,323.64 and 1,988.50

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Solution

The fourth proportional to 3,549.46, 5,323.64 and 1,988.50 is: 2,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.46 : 5,323.64 = 1,988.50 : x
  2. Step 2: Convert to fraction form
    3,549.46/5,323.64 = 1,988.50/x
  3. Step 3: Cross multiply
    3,549.46x = 5,323.64 × 1,988.50
  4. Step 4: Simplify right side
    3,549.46x = 10,586,058.14
  5. Step 5: Solve for x
    x = 10,586,058.14/3,549.46
  6. Step 6: Final answer
    x = 2,982.44

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1.5x scale

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.