Home / 3,302.98-4,555.74-2,122.90

Finding the Fourth Proportional to 3,302.98, 4,555.74 and 2,122.90

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Solution

The fourth proportional to 3,302.98, 4,555.74 and 2,122.90 is: 2,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.98 : 4,555.74 = 2,122.90 : x
  2. Step 2: Convert to fraction form
    3,302.98/4,555.74 = 2,122.90/x
  3. Step 3: Cross multiply
    3,302.98x = 4,555.74 × 2,122.90
  4. Step 4: Simplify right side
    3,302.98x = 9,671,380.45
  5. Step 5: Solve for x
    x = 9,671,380.45/3,302.98
  6. Step 6: Final answer
    x = 2,928.08

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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.