Home / 3,348.60-5,028.30-2,430.60

Finding the Fourth Proportional to 3,348.60, 5,028.30 and 2,430.60

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Solution

The fourth proportional to 3,348.60, 5,028.30 and 2,430.60 is: 3,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.60 : 5,028.30 = 2,430.60 : x
  2. Step 2: Convert to fraction form
    3,348.60/5,028.30 = 2,430.60/x
  3. Step 3: Cross multiply
    3,348.60x = 5,028.30 × 2,430.60
  4. Step 4: Simplify right side
    3,348.60x = 12,221,785.98
  5. Step 5: Solve for x
    x = 12,221,785.98/3,348.60
  6. Step 6: Final answer
    x = 3,649.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.