Home / 3,486.05-4,798.23-3,153.77

Finding the Fourth Proportional to 3,486.05, 4,798.23 and 3,153.77

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Solution

The fourth proportional to 3,486.05, 4,798.23 and 3,153.77 is: 4,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.05 : 4,798.23 = 3,153.77 : x
  2. Step 2: Convert to fraction form
    3,486.05/4,798.23 = 3,153.77/x
  3. Step 3: Cross multiply
    3,486.05x = 4,798.23 × 3,153.77
  4. Step 4: Simplify right side
    3,486.05x = 15,132,513.83
  5. Step 5: Solve for x
    x = 15,132,513.83/3,486.05
  6. Step 6: Final answer
    x = 4,340.88

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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.