Home / 3,308.30-4,565.54-1,816.31

Finding the Fourth Proportional to 3,308.30, 4,565.54 and 1,816.31

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Solution

The fourth proportional to 3,308.30, 4,565.54 and 1,816.31 is: 2,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.30 : 4,565.54 = 1,816.31 : x
  2. Step 2: Convert to fraction form
    3,308.30/4,565.54 = 1,816.31/x
  3. Step 3: Cross multiply
    3,308.30x = 4,565.54 × 1,816.31
  4. Step 4: Simplify right side
    3,308.30x = 8,292,435.96
  5. Step 5: Solve for x
    x = 8,292,435.96/3,308.30
  6. Step 6: Final answer
    x = 2,506.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.