Home / 4,307.40-5,944.20-2,419

Finding the Fourth Proportional to 4,307.40, 5,944.20 and 2,419

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Solution

The fourth proportional to 4,307.40, 5,944.20 and 2,419 is: 3,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.40 : 5,944.20 = 2,419 : x
  2. Step 2: Convert to fraction form
    4,307.40/5,944.20 = 2,419/x
  3. Step 3: Cross multiply
    4,307.40x = 5,944.20 × 2,419
  4. Step 4: Simplify right side
    4,307.40x = 14,379,019.80
  5. Step 5: Solve for x
    x = 14,379,019.80/4,307.40
  6. Step 6: Final answer
    x = 3,338.21

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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.