Home / 3,845.74-5,307.18-2,273.98

Finding the Fourth Proportional to 3,845.74, 5,307.18 and 2,273.98

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Solution

The fourth proportional to 3,845.74, 5,307.18 and 2,273.98 is: 3,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.74 : 5,307.18 = 2,273.98 : x
  2. Step 2: Convert to fraction form
    3,845.74/5,307.18 = 2,273.98/x
  3. Step 3: Cross multiply
    3,845.74x = 5,307.18 × 2,273.98
  4. Step 4: Simplify right side
    3,845.74x = 12,068,421.18
  5. Step 5: Solve for x
    x = 12,068,421.18/3,845.74
  6. Step 6: Final answer
    x = 3,138.13

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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.