Home / 4,154.36-6,235.18-2,181.40

Finding the Fourth Proportional to 4,154.36, 6,235.18 and 2,181.40

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Solution

The fourth proportional to 4,154.36, 6,235.18 and 2,181.40 is: 3,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.36 : 6,235.18 = 2,181.40 : x
  2. Step 2: Convert to fraction form
    4,154.36/6,235.18 = 2,181.40/x
  3. Step 3: Cross multiply
    4,154.36x = 6,235.18 × 2,181.40
  4. Step 4: Simplify right side
    4,154.36x = 13,601,400.61
  5. Step 5: Solve for x
    x = 13,601,400.61/4,154.36
  6. Step 6: Final answer
    x = 3,274.01

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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.