Home / 3,390.20-4,682.96-2,603.26

Finding the Fourth Proportional to 3,390.20, 4,682.96 and 2,603.26

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Solution

The fourth proportional to 3,390.20, 4,682.96 and 2,603.26 is: 3,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.20 : 4,682.96 = 2,603.26 : x
  2. Step 2: Convert to fraction form
    3,390.20/4,682.96 = 2,603.26/x
  3. Step 3: Cross multiply
    3,390.20x = 4,682.96 × 2,603.26
  4. Step 4: Simplify right side
    3,390.20x = 12,190,962.45
  5. Step 5: Solve for x
    x = 12,190,962.45/3,390.20
  6. Step 6: Final answer
    x = 3,595.94

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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.