Home / 3,584.20-5,384.40-2,490.70

Finding the Fourth Proportional to 3,584.20, 5,384.40 and 2,490.70

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Solution

The fourth proportional to 3,584.20, 5,384.40 and 2,490.70 is: 3,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.20 : 5,384.40 = 2,490.70 : x
  2. Step 2: Convert to fraction form
    3,584.20/5,384.40 = 2,490.70/x
  3. Step 3: Cross multiply
    3,584.20x = 5,384.40 × 2,490.70
  4. Step 4: Simplify right side
    3,584.20x = 13,410,925.08
  5. Step 5: Solve for x
    x = 13,410,925.08/3,584.20
  6. Step 6: Final answer
    x = 3,741.68

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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.