Home / 3,584.90-5,378.15-2,807.30

Finding the Fourth Proportional to 3,584.90, 5,378.15 and 2,807.30

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Solution

The fourth proportional to 3,584.90, 5,378.15 and 2,807.30 is: 4,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.90 : 5,378.15 = 2,807.30 : x
  2. Step 2: Convert to fraction form
    3,584.90/5,378.15 = 2,807.30/x
  3. Step 3: Cross multiply
    3,584.90x = 5,378.15 × 2,807.30
  4. Step 4: Simplify right side
    3,584.90x = 15,098,080.50
  5. Step 5: Solve for x
    x = 15,098,080.50/3,584.90
  6. Step 6: Final answer
    x = 4,211.58

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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.