Home / 4,150.30-6,225.45-1,685.20

Finding the Fourth Proportional to 4,150.30, 6,225.45 and 1,685.20

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Solution

The fourth proportional to 4,150.30, 6,225.45 and 1,685.20 is: 2,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.30 : 6,225.45 = 1,685.20 : x
  2. Step 2: Convert to fraction form
    4,150.30/6,225.45 = 1,685.20/x
  3. Step 3: Cross multiply
    4,150.30x = 6,225.45 × 1,685.20
  4. Step 4: Simplify right side
    4,150.30x = 10,491,128.34
  5. Step 5: Solve for x
    x = 10,491,128.34/4,150.30
  6. Step 6: Final answer
    x = 2,527.80

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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.