Home / 4,156.74-5,736.08-2,478.11

Finding the Fourth Proportional to 4,156.74, 5,736.08 and 2,478.11

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Solution

The fourth proportional to 4,156.74, 5,736.08 and 2,478.11 is: 3,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.74 : 5,736.08 = 2,478.11 : x
  2. Step 2: Convert to fraction form
    4,156.74/5,736.08 = 2,478.11/x
  3. Step 3: Cross multiply
    4,156.74x = 5,736.08 × 2,478.11
  4. Step 4: Simplify right side
    4,156.74x = 14,214,614.72
  5. Step 5: Solve for x
    x = 14,214,614.72/4,156.74
  6. Step 6: Final answer
    x = 3,419.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.