Home / 3,127.83-4,307.64-3,059.79

Finding the Fourth Proportional to 3,127.83, 4,307.64 and 3,059.79

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Solution

The fourth proportional to 3,127.83, 4,307.64 and 3,059.79 is: 4,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.83 : 4,307.64 = 3,059.79 : x
  2. Step 2: Convert to fraction form
    3,127.83/4,307.64 = 3,059.79/x
  3. Step 3: Cross multiply
    3,127.83x = 4,307.64 × 3,059.79
  4. Step 4: Simplify right side
    3,127.83x = 13,180,473.80
  5. Step 5: Solve for x
    x = 13,180,473.80/3,127.83
  6. Step 6: Final answer
    x = 4,213.94

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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.