Home / 3,487.34-4,810.83-2,309.39

Finding the Fourth Proportional to 3,487.34, 4,810.83 and 2,309.39

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Solution

The fourth proportional to 3,487.34, 4,810.83 and 2,309.39 is: 3,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.34 : 4,810.83 = 2,309.39 : x
  2. Step 2: Convert to fraction form
    3,487.34/4,810.83 = 2,309.39/x
  3. Step 3: Cross multiply
    3,487.34x = 4,810.83 × 2,309.39
  4. Step 4: Simplify right side
    3,487.34x = 11,110,082.69
  5. Step 5: Solve for x
    x = 11,110,082.69/3,487.34
  6. Step 6: Final answer
    x = 3,185.84

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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.