Home / 3,158.36-4,741.64-2,428.45

Finding the Fourth Proportional to 3,158.36, 4,741.64 and 2,428.45

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Solution

The fourth proportional to 3,158.36, 4,741.64 and 2,428.45 is: 3,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.36 : 4,741.64 = 2,428.45 : x
  2. Step 2: Convert to fraction form
    3,158.36/4,741.64 = 2,428.45/x
  3. Step 3: Cross multiply
    3,158.36x = 4,741.64 × 2,428.45
  4. Step 4: Simplify right side
    3,158.36x = 11,514,829.88
  5. Step 5: Solve for x
    x = 11,514,829.88/3,158.36
  6. Step 6: Final answer
    x = 3,645.82

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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.