Home / 3,436.74-5,173.68-3,130.56

Finding the Fourth Proportional to 3,436.74, 5,173.68 and 3,130.56

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Solution

The fourth proportional to 3,436.74, 5,173.68 and 3,130.56 is: 4,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.74 : 5,173.68 = 3,130.56 : x
  2. Step 2: Convert to fraction form
    3,436.74/5,173.68 = 3,130.56/x
  3. Step 3: Cross multiply
    3,436.74x = 5,173.68 × 3,130.56
  4. Step 4: Simplify right side
    3,436.74x = 16,196,515.66
  5. Step 5: Solve for x
    x = 16,196,515.66/3,436.74
  6. Step 6: Final answer
    x = 4,712.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.