Home / 3,484.15-5,226.26-887.09

Finding the Fourth Proportional to 3,484.15, 5,226.26 and 887.09

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Solution

The fourth proportional to 3,484.15, 5,226.26 and 887.09 is: 1,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.15 : 5,226.26 = 887.09 : x
  2. Step 2: Convert to fraction form
    3,484.15/5,226.26 = 887.09/x
  3. Step 3: Cross multiply
    3,484.15x = 5,226.26 × 887.09
  4. Step 4: Simplify right side
    3,484.15x = 4,636,132.42
  5. Step 5: Solve for x
    x = 4,636,132.42/3,484.15
  6. Step 6: Final answer
    x = 1,330.64

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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.