Home / 4,153.70-6,230.54-2,421.10

Finding the Fourth Proportional to 4,153.70, 6,230.54 and 2,421.10

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Solution

The fourth proportional to 4,153.70, 6,230.54 and 2,421.10 is: 3,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.70 : 6,230.54 = 2,421.10 : x
  2. Step 2: Convert to fraction form
    4,153.70/6,230.54 = 2,421.10/x
  3. Step 3: Cross multiply
    4,153.70x = 6,230.54 × 2,421.10
  4. Step 4: Simplify right side
    4,153.70x = 15,084,760.39
  5. Step 5: Solve for x
    x = 15,084,760.39/4,153.70
  6. Step 6: Final answer
    x = 3,631.64

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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.