Home / 3,549.40-5,326.60-1,330.14

Finding the Fourth Proportional to 3,549.40, 5,326.60 and 1,330.14

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Solution

The fourth proportional to 3,549.40, 5,326.60 and 1,330.14 is: 1,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.40 : 5,326.60 = 1,330.14 : x
  2. Step 2: Convert to fraction form
    3,549.40/5,326.60 = 1,330.14/x
  3. Step 3: Cross multiply
    3,549.40x = 5,326.60 × 1,330.14
  4. Step 4: Simplify right side
    3,549.40x = 7,085,123.72
  5. Step 5: Solve for x
    x = 7,085,123.72/3,549.40
  6. Step 6: Final answer
    x = 1,996.15

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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.