Home / 3,270.10-4,905.15-1,323.67

Finding the Fourth Proportional to 3,270.10, 4,905.15 and 1,323.67

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Solution

The fourth proportional to 3,270.10, 4,905.15 and 1,323.67 is: 1,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.10 : 4,905.15 = 1,323.67 : x
  2. Step 2: Convert to fraction form
    3,270.10/4,905.15 = 1,323.67/x
  3. Step 3: Cross multiply
    3,270.10x = 4,905.15 × 1,323.67
  4. Step 4: Simplify right side
    3,270.10x = 6,492,787.64
  5. Step 5: Solve for x
    x = 6,492,787.64/3,270.10
  6. Step 6: Final answer
    x = 1,985.50

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Half scale
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Double 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.