Home / 3,555.51-4,909.21-2,297.30

Finding the Fourth Proportional to 3,555.51, 4,909.21 and 2,297.30

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Solution

The fourth proportional to 3,555.51, 4,909.21 and 2,297.30 is: 3,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.51 : 4,909.21 = 2,297.30 : x
  2. Step 2: Convert to fraction form
    3,555.51/4,909.21 = 2,297.30/x
  3. Step 3: Cross multiply
    3,555.51x = 4,909.21 × 2,297.30
  4. Step 4: Simplify right side
    3,555.51x = 11,277,928.13
  5. Step 5: Solve for x
    x = 11,277,928.13/3,555.51
  6. Step 6: Final answer
    x = 3,171.96

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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.