Home / 4,184.40-6,276.62-1,720.38

Finding the Fourth Proportional to 4,184.40, 6,276.62 and 1,720.38

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Solution

The fourth proportional to 4,184.40, 6,276.62 and 1,720.38 is: 2,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.40 : 6,276.62 = 1,720.38 : x
  2. Step 2: Convert to fraction form
    4,184.40/6,276.62 = 1,720.38/x
  3. Step 3: Cross multiply
    4,184.40x = 6,276.62 × 1,720.38
  4. Step 4: Simplify right side
    4,184.40x = 10,798,171.52
  5. Step 5: Solve for x
    x = 10,798,171.52/4,184.40
  6. Step 6: Final answer
    x = 2,580.58

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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.