Home / 3,897.28-5,844.46-1,123

Finding the Fourth Proportional to 3,897.28, 5,844.46 and 1,123

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Solution

The fourth proportional to 3,897.28, 5,844.46 and 1,123 is: 1,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.28 : 5,844.46 = 1,123 : x
  2. Step 2: Convert to fraction form
    3,897.28/5,844.46 = 1,123/x
  3. Step 3: Cross multiply
    3,897.28x = 5,844.46 × 1,123
  4. Step 4: Simplify right side
    3,897.28x = 6,563,328.58
  5. Step 5: Solve for x
    x = 6,563,328.58/3,897.28
  6. Step 6: Final answer
    x = 1,684.08

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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.