Home / 3,309.81-4,567.59-1,817.88

Finding the Fourth Proportional to 3,309.81, 4,567.59 and 1,817.88

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Solution

The fourth proportional to 3,309.81, 4,567.59 and 1,817.88 is: 2,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.81 : 4,567.59 = 1,817.88 : x
  2. Step 2: Convert to fraction form
    3,309.81/4,567.59 = 1,817.88/x
  3. Step 3: Cross multiply
    3,309.81x = 4,567.59 × 1,817.88
  4. Step 4: Simplify right side
    3,309.81x = 8,303,330.51
  5. Step 5: Solve for x
    x = 8,303,330.51/3,309.81
  6. Step 6: Final answer
    x = 2,508.70

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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.