Home / 3,097.20-4,645.80-1,714.80

Finding the Fourth Proportional to 3,097.20, 4,645.80 and 1,714.80

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Solution

The fourth proportional to 3,097.20, 4,645.80 and 1,714.80 is: 2,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.20 : 4,645.80 = 1,714.80 : x
  2. Step 2: Convert to fraction form
    3,097.20/4,645.80 = 1,714.80/x
  3. Step 3: Cross multiply
    3,097.20x = 4,645.80 × 1,714.80
  4. Step 4: Simplify right side
    3,097.20x = 7,966,617.84
  5. Step 5: Solve for x
    x = 7,966,617.84/3,097.20
  6. Step 6: Final answer
    x = 2,572.20

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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.