Home / 3,529.80-5,298.84-2,802.60

Finding the Fourth Proportional to 3,529.80, 5,298.84 and 2,802.60

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Solution

The fourth proportional to 3,529.80, 5,298.84 and 2,802.60 is: 4,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.80 : 5,298.84 = 2,802.60 : x
  2. Step 2: Convert to fraction form
    3,529.80/5,298.84 = 2,802.60/x
  3. Step 3: Cross multiply
    3,529.80x = 5,298.84 × 2,802.60
  4. Step 4: Simplify right side
    3,529.80x = 14,850,528.98
  5. Step 5: Solve for x
    x = 14,850,528.98/3,529.80
  6. Step 6: Final answer
    x = 4,207.19

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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.