Home / 3,484.36-5,226.58-887.30

Finding the Fourth Proportional to 3,484.36, 5,226.58 and 887.30

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Solution

The fourth proportional to 3,484.36, 5,226.58 and 887.30 is: 1,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.36 : 5,226.58 = 887.30 : x
  2. Step 2: Convert to fraction form
    3,484.36/5,226.58 = 887.30/x
  3. Step 3: Cross multiply
    3,484.36x = 5,226.58 × 887.30
  4. Step 4: Simplify right side
    3,484.36x = 4,637,544.43
  5. Step 5: Solve for x
    x = 4,637,544.43/3,484.36
  6. Step 6: Final answer
    x = 1,330.96

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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.