Home / 3,484.89-5,228.55-3,117.42

Finding the Fourth Proportional to 3,484.89, 5,228.55 and 3,117.42

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Solution

The fourth proportional to 3,484.89, 5,228.55 and 3,117.42 is: 4,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.89 : 5,228.55 = 3,117.42 : x
  2. Step 2: Convert to fraction form
    3,484.89/5,228.55 = 3,117.42/x
  3. Step 3: Cross multiply
    3,484.89x = 5,228.55 × 3,117.42
  4. Step 4: Simplify right side
    3,484.89x = 16,299,586.34
  5. Step 5: Solve for x
    x = 16,299,586.34/3,484.89
  6. Step 6: Final answer
    x = 4,677.22

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Half scale
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Similar ratio
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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.