Home / 4,307.70-5,945.76-2,539.89

Finding the Fourth Proportional to 4,307.70, 5,945.76 and 2,539.89

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Solution

The fourth proportional to 4,307.70, 5,945.76 and 2,539.89 is: 3,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.70 : 5,945.76 = 2,539.89 : x
  2. Step 2: Convert to fraction form
    4,307.70/5,945.76 = 2,539.89/x
  3. Step 3: Cross multiply
    4,307.70x = 5,945.76 × 2,539.89
  4. Step 4: Simplify right side
    4,307.70x = 15,101,576.37
  5. Step 5: Solve for x
    x = 15,101,576.37/4,307.70
  6. Step 6: Final answer
    x = 3,505.72

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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.