Home / 3,956.20-5,927.10-2,415.40

Finding the Fourth Proportional to 3,956.20, 5,927.10 and 2,415.40

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Solution

The fourth proportional to 3,956.20, 5,927.10 and 2,415.40 is: 3,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.20 : 5,927.10 = 2,415.40 : x
  2. Step 2: Convert to fraction form
    3,956.20/5,927.10 = 2,415.40/x
  3. Step 3: Cross multiply
    3,956.20x = 5,927.10 × 2,415.40
  4. Step 4: Simplify right side
    3,956.20x = 14,316,317.34
  5. Step 5: Solve for x
    x = 14,316,317.34/3,956.20
  6. Step 6: Final answer
    x = 3,618.70

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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.