Home / 4,142.05-5,715.86-2,253.64

Finding the Fourth Proportional to 4,142.05, 5,715.86 and 2,253.64

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Solution

The fourth proportional to 4,142.05, 5,715.86 and 2,253.64 is: 3,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.05 : 5,715.86 = 2,253.64 : x
  2. Step 2: Convert to fraction form
    4,142.05/5,715.86 = 2,253.64/x
  3. Step 3: Cross multiply
    4,142.05x = 5,715.86 × 2,253.64
  4. Step 4: Simplify right side
    4,142.05x = 12,881,477.05
  5. Step 5: Solve for x
    x = 12,881,477.05/4,142.05
  6. Step 6: Final answer
    x = 3,109.93

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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.