Home / 4,129.80-6,192.65-1,497.20

Finding the Fourth Proportional to 4,129.80, 6,192.65 and 1,497.20

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Solution

The fourth proportional to 4,129.80, 6,192.65 and 1,497.20 is: 2,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.80 : 6,192.65 = 1,497.20 : x
  2. Step 2: Convert to fraction form
    4,129.80/6,192.65 = 1,497.20/x
  3. Step 3: Cross multiply
    4,129.80x = 6,192.65 × 1,497.20
  4. Step 4: Simplify right side
    4,129.80x = 9,271,635.58
  5. Step 5: Solve for x
    x = 9,271,635.58/4,129.80
  6. Step 6: Final answer
    x = 2,245.06

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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.