Home / 3,123.36-4,684.50-1,043.15

Finding the Fourth Proportional to 3,123.36, 4,684.50 and 1,043.15

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Solution

The fourth proportional to 3,123.36, 4,684.50 and 1,043.15 is: 1,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.36 : 4,684.50 = 1,043.15 : x
  2. Step 2: Convert to fraction form
    3,123.36/4,684.50 = 1,043.15/x
  3. Step 3: Cross multiply
    3,123.36x = 4,684.50 × 1,043.15
  4. Step 4: Simplify right side
    3,123.36x = 4,886,612.75
  5. Step 5: Solve for x
    x = 4,886,612.75/3,123.36
  6. Step 6: Final answer
    x = 1,564.54

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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.