Home / 3,309.39-4,567.01-1,817.45

Finding the Fourth Proportional to 3,309.39, 4,567.01 and 1,817.45

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Solution

The fourth proportional to 3,309.39, 4,567.01 and 1,817.45 is: 2,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.39 : 4,567.01 = 1,817.45 : x
  2. Step 2: Convert to fraction form
    3,309.39/4,567.01 = 1,817.45/x
  3. Step 3: Cross multiply
    3,309.39x = 4,567.01 × 1,817.45
  4. Step 4: Simplify right side
    3,309.39x = 8,300,280.40
  5. Step 5: Solve for x
    x = 8,300,280.40/3,309.39
  6. Step 6: Final answer
    x = 2,508.10

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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.