Home / 3,308.39-4,565.60-1,816.45

Finding the Fourth Proportional to 3,308.39, 4,565.60 and 1,816.45

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Solution

The fourth proportional to 3,308.39, 4,565.60 and 1,816.45 is: 2,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.39 : 4,565.60 = 1,816.45 : x
  2. Step 2: Convert to fraction form
    3,308.39/4,565.60 = 1,816.45/x
  3. Step 3: Cross multiply
    3,308.39x = 4,565.60 × 1,816.45
  4. Step 4: Simplify right side
    3,308.39x = 8,293,184.12
  5. Step 5: Solve for x
    x = 8,293,184.12/3,308.39
  6. Step 6: Final answer
    x = 2,506.71

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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.