Home / 3,027.40-4,544.70-1,712.20

Finding the Fourth Proportional to 3,027.40, 4,544.70 and 1,712.20

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Solution

The fourth proportional to 3,027.40, 4,544.70 and 1,712.20 is: 2,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.40 : 4,544.70 = 1,712.20 : x
  2. Step 2: Convert to fraction form
    3,027.40/4,544.70 = 1,712.20/x
  3. Step 3: Cross multiply
    3,027.40x = 4,544.70 × 1,712.20
  4. Step 4: Simplify right side
    3,027.40x = 7,781,435.34
  5. Step 5: Solve for x
    x = 7,781,435.34/3,027.40
  6. Step 6: Final answer
    x = 2,570.34

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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.