Home / 3,389.92-4,677.55-1,973.84

Finding the Fourth Proportional to 3,389.92, 4,677.55 and 1,973.84

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Solution

The fourth proportional to 3,389.92, 4,677.55 and 1,973.84 is: 2,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.92 : 4,677.55 = 1,973.84 : x
  2. Step 2: Convert to fraction form
    3,389.92/4,677.55 = 1,973.84/x
  3. Step 3: Cross multiply
    3,389.92x = 4,677.55 × 1,973.84
  4. Step 4: Simplify right side
    3,389.92x = 9,232,735.29
  5. Step 5: Solve for x
    x = 9,232,735.29/3,389.92
  6. Step 6: Final answer
    x = 2,723.59

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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.