Home / 3,851.37-5,312.39-2,358.74

Finding the Fourth Proportional to 3,851.37, 5,312.39 and 2,358.74

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Solution

The fourth proportional to 3,851.37, 5,312.39 and 2,358.74 is: 3,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.37 : 5,312.39 = 2,358.74 : x
  2. Step 2: Convert to fraction form
    3,851.37/5,312.39 = 2,358.74/x
  3. Step 3: Cross multiply
    3,851.37x = 5,312.39 × 2,358.74
  4. Step 4: Simplify right side
    3,851.37x = 12,530,548.28
  5. Step 5: Solve for x
    x = 12,530,548.28/3,851.37
  6. Step 6: Final answer
    x = 3,253.53

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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.