Home / 3,558.84-5,338.65-1,479.09

Finding the Fourth Proportional to 3,558.84, 5,338.65 and 1,479.09

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Solution

The fourth proportional to 3,558.84, 5,338.65 and 1,479.09 is: 2,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.84 : 5,338.65 = 1,479.09 : x
  2. Step 2: Convert to fraction form
    3,558.84/5,338.65 = 1,479.09/x
  3. Step 3: Cross multiply
    3,558.84x = 5,338.65 × 1,479.09
  4. Step 4: Simplify right side
    3,558.84x = 7,896,343.83
  5. Step 5: Solve for x
    x = 7,896,343.83/3,558.84
  6. Step 6: Final answer
    x = 2,218.80

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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.