Home / 3,308.61-4,565.81-1,816.53

Finding the Fourth Proportional to 3,308.61, 4,565.81 and 1,816.53

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Solution

The fourth proportional to 3,308.61, 4,565.81 and 1,816.53 is: 2,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.61 : 4,565.81 = 1,816.53 : x
  2. Step 2: Convert to fraction form
    3,308.61/4,565.81 = 1,816.53/x
  3. Step 3: Cross multiply
    3,308.61x = 4,565.81 × 1,816.53
  4. Step 4: Simplify right side
    3,308.61x = 8,293,921.76
  5. Step 5: Solve for x
    x = 8,293,921.76/3,308.61
  6. Step 6: Final answer
    x = 2,506.77

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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.