Home / 3,347.09-4,618.90-1,930.77

Finding the Fourth Proportional to 3,347.09, 4,618.90 and 1,930.77

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Solution

The fourth proportional to 3,347.09, 4,618.90 and 1,930.77 is: 2,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.09 : 4,618.90 = 1,930.77 : x
  2. Step 2: Convert to fraction form
    3,347.09/4,618.90 = 1,930.77/x
  3. Step 3: Cross multiply
    3,347.09x = 4,618.90 × 1,930.77
  4. Step 4: Simplify right side
    3,347.09x = 8,918,053.29
  5. Step 5: Solve for x
    x = 8,918,053.29/3,347.09
  6. Step 6: Final answer
    x = 2,664.42

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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.